APA (7e ed.) Bronvermelding

Schwartz, R. J., & Schiffer, A. M. (1954). Credit and collection know-how. Fairchild Publications.

Chicago (17e ed.) Bronvermelding

Schwartz, Robert J., en Allyn M. Schiffer. Credit and Collection Know-how. New York: Fairchild Publications, 1954.

MLA (9e ed.) Bronvermelding

Schwartz, Robert J., en Allyn M. Schiffer. Credit and Collection Know-how. Fairchild Publications, 1954.