APA (7e ed.) Bronvermelding

Fitch, G. W. (1934). What everybody wants to know about annuities. A. A. Lnopf.

Chicago (17e ed.) Bronvermelding

Fitch, G W. What Everybody Wants to Know About Annuities. New York: A. A. Lnopf, 1934.

MLA (9e ed.) Bronvermelding

Fitch, G W. What Everybody Wants to Know About Annuities. A. A. Lnopf, 1934.