Bell, M. V., Bacon, J. C., & Hepler, J. C. (1957). Poole's index: Date and volume key. Association of College and Reference Libraries.
Chicago (17e ed.) BronvermeldingBell, Marion V., Jean C. Bacon, en John C. Hepler. Poole's Index: Date and Volume Key. Chicago: Association of College and Reference Libraries, 1957.
MLA (8e ed.) BronvermeldingBell, Marion V., et al. Poole's Index: Date and Volume Key. Association of College and Reference Libraries, 1957.
Let op: Deze citaties zijn niet altijd 100% accuraat.