APA (7e ed.) Bronvermelding
Schwab, L. (1990). Eye care in developing nations (2nd ed.). Oxford University Press.
Chicago (17e ed.) Bronvermelding
Schwab, Larry. Eye Care in Developing Nations. 2nd ed. New York: Oxford University Press, 1990.
MLA (9e ed.) Bronvermelding
Schwab, Larry. Eye Care in Developing Nations. 2nd ed. Oxford University Press, 1990.
Let op: Deze citaties zijn niet altijd 100% accuraat.