Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.