K.DK.D.BroadK.DK.D., J.PJ.P.CurleyJ.PJ.P., E.BE.B.KeverneE.BE.B., Mother–infant bonding and the evolution of mammalian social relationships, „Philosophical Transactions of the Royal Society B: Biological Sciences”, 361 (1476), 2006, s. 2199–2214, DOI: 10.1098/rstb.2006.1940, ISSN0962-8436, PMID: 17118933, PMCID: PMC1764844 [dostęp 2019-11-01].
K.DK.D.BroadK.DK.D., J.PJ.P.CurleyJ.PJ.P., E.BE.B.KeverneE.BE.B., Mother–infant bonding and the evolution of mammalian social relationships, „Philosophical Transactions of the Royal Society B: Biological Sciences”, 361 (1476), 2006, s. 2199–2214, DOI: 10.1098/rstb.2006.1940, ISSN0962-8436, PMID: 17118933, PMCID: PMC1764844 [dostęp 2019-11-01].
worldcat.org
K.DK.D.BroadK.DK.D., J.PJ.P.CurleyJ.PJ.P., E.BE.B.KeverneE.BE.B., Mother–infant bonding and the evolution of mammalian social relationships, „Philosophical Transactions of the Royal Society B: Biological Sciences”, 361 (1476), 2006, s. 2199–2214, DOI: 10.1098/rstb.2006.1940, ISSN0962-8436, PMID: 17118933, PMCID: PMC1764844 [dostęp 2019-11-01].
Nancy J.N.J.MezeyNancy J.N.J., New choices, new families. How lesbians decide about motherhood, Baltimore: Johns Hopkins University Press, 2008, ISBN 978-0-8018-9525-8, OCLC557657966 [dostęp 2019-11-01]. Brak numerów stron w książce