Hopkins, L., & Hamilton, B. (1990). Key: Australian office procedures (2nd ed.). Milton, Qld.: Jacaranda Press.
Chicago Style aipamenaHopkins, Linda., và Barbara Hamilton. Key: Australian Office Procedures. 2nd ed. Milton, Qld.: Jacaranda Press, 1990.
MLA aipamenaHopkins, Linda., và Barbara Hamilton. Key: Australian Office Procedures. 2nd ed. Milton, Qld.: Jacaranda Press, 1990.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.