HelgeH.KraghHelgeH., An Introduction to the Historiography of Science, Cambridge University Press, 1989, ISBN 0-521-38921-6 [zarchiwizowane z adresu 2018-01-21]. Brak numerów stron w książce („[T]he distinction is not a sharp one. Since a source is only a source in a specific historical context, the same source object can be both a primary or secondary source according to what it is used for.”); RobertoR.DelgadilloRobertoR., BeverlyB.LynchBeverlyB., Future Historians: Their Quest for Information, „College & Research Libraries”, 1999, 245–259, at 253 [zarchiwizowane z adresu 2016-03-04]. („[T]he same document can be a primary or a secondary source depending on the particular analysis the historian is doing”); E.J.E.J.MonagahnE.J.E.J., D.K.D.K.HartmanD.K.D.K., Historical research in literacy, „Reading Online”, 11, 4, 2001 [zarchiwizowane z adresu 2007-12-14]. Brak numerów stron w czasopiśmie („[A] source may be primary or secondary, depending on what the researcher is looking for.”).
doi.org
dx.doi.org
AlistairA.DuffAlistairA., The literature search: a library-based model for information skills instruction, „Library Review”, 4, 45, 1996, s. 14–18, DOI: 10.1108/00242539610115263. („A primary source is defined here as a source containing new information authored by the original researcher(s) and not previously published elsewhere.”).
HelgeH.KraghHelgeH., An Introduction to the Historiography of Science, Cambridge University Press, 1989, ISBN 0-521-38921-6 [zarchiwizowane z adresu 2018-01-21]. Brak numerów stron w książce („[T]he distinction is not a sharp one. Since a source is only a source in a specific historical context, the same source object can be both a primary or secondary source according to what it is used for.”); RobertoR.DelgadilloRobertoR., BeverlyB.LynchBeverlyB., Future Historians: Their Quest for Information, „College & Research Libraries”, 1999, 245–259, at 253 [zarchiwizowane z adresu 2016-03-04]. („[T]he same document can be a primary or a secondary source depending on the particular analysis the historian is doing”); E.J.E.J.MonagahnE.J.E.J., D.K.D.K.HartmanD.K.D.K., Historical research in literacy, „Reading Online”, 11, 4, 2001 [zarchiwizowane z adresu 2007-12-14]. Brak numerów stron w czasopiśmie („[A] source may be primary or secondary, depending on what the researcher is looking for.”).
ucla.edu
forms.international.ucla.edu
HelgeH.KraghHelgeH., An Introduction to the Historiography of Science, Cambridge University Press, 1989, ISBN 0-521-38921-6 [zarchiwizowane z adresu 2018-01-21]. Brak numerów stron w książce („[T]he distinction is not a sharp one. Since a source is only a source in a specific historical context, the same source object can be both a primary or secondary source according to what it is used for.”); RobertoR.DelgadilloRobertoR., BeverlyB.LynchBeverlyB., Future Historians: Their Quest for Information, „College & Research Libraries”, 1999, 245–259, at 253 [zarchiwizowane z adresu 2016-03-04]. („[T]he same document can be a primary or a secondary source depending on the particular analysis the historian is doing”); E.J.E.J.MonagahnE.J.E.J., D.K.D.K.HartmanD.K.D.K., Historical research in literacy, „Reading Online”, 11, 4, 2001 [zarchiwizowane z adresu 2007-12-14]. Brak numerów stron w czasopiśmie („[A] source may be primary or secondary, depending on what the researcher is looking for.”).
umd.edu
lib.umd.edu
User EducationU.E.ServicesUser EducationU.E., Primary, Secondary and Tertiary Sources guide, University of Maryland Libraries [dostęp 2013-06-12] [zarchiwizowane z adresu 2013-06-03]. Brak numerów stron w książce
web-archive-sources.org
Margaret SteigM.S.DaltonMargaret SteigM.S., LaurieL.CharnigoLaurieL., Historians and Their Information Sources, „College & Research Libraries”, September, 2004, 400–25, at 416 n.3., citing U.S. Dept. of Labor, Bureau of Labor Statistics (2003), Occupational Outlook Handbook; C.C.LorenzC.C., International Encyclopedia of Social and Behavior Sciences, t. 10, Elsevier, 2001. Brak numerów stron w książce
web.archive.org
User EducationU.E.ServicesUser EducationU.E., Primary, Secondary and Tertiary Sources guide, University of Maryland Libraries [dostęp 2013-06-12] [zarchiwizowane z adresu 2013-06-03]. Brak numerów stron w książce
HelgeH.KraghHelgeH., An Introduction to the Historiography of Science, Cambridge University Press, 1989, ISBN 0-521-38921-6 [zarchiwizowane z adresu 2018-01-21]. Brak numerów stron w książce („[T]he distinction is not a sharp one. Since a source is only a source in a specific historical context, the same source object can be both a primary or secondary source according to what it is used for.”); RobertoR.DelgadilloRobertoR., BeverlyB.LynchBeverlyB., Future Historians: Their Quest for Information, „College & Research Libraries”, 1999, 245–259, at 253 [zarchiwizowane z adresu 2016-03-04]. („[T]he same document can be a primary or a secondary source depending on the particular analysis the historian is doing”); E.J.E.J.MonagahnE.J.E.J., D.K.D.K.HartmanD.K.D.K., Historical research in literacy, „Reading Online”, 11, 4, 2001 [zarchiwizowane z adresu 2007-12-14]. Brak numerów stron w czasopiśmie („[A] source may be primary or secondary, depending on what the researcher is looking for.”).
