Simpson, Carol (April–May 2008). "Editor's notes: Five laws"(PDF). Library Media Connection. 26 (7): 6. Archived(PDF) from the original on 29 August 2018. Retrieved 27 February 2020.
doi.org
Koehler, Wallace C.; Hurych, Jitka M.; Dole, Wanda V.; Wall, Joanna (2000). "Ethical values of information and library professionals—an expanded analysis". The International Information & Library Review. 32 (3–4): 485–506. doi:10.1080/10572317.2000.10762533. S2CID220309854.
Koehler, Wallace C.; Hurych, Jitka M.; Dole, Wanda V.; Wall, Joanna (2000). "Ethical values of information and library professionals—an expanded analysis". The International Information & Library Review. 32 (3–4): 485–506. doi:10.1080/10572317.2000.10762533. S2CID220309854.
Simpson, Carol (April–May 2008). "Editor's notes: Five laws"(PDF). Library Media Connection. 26 (7): 6. Archived(PDF) from the original on 29 August 2018. Retrieved 27 February 2020.