APA aipamena

Knapp, C. L. (1976). Problems in Contract Law: Cases and Materials. Little Brown & Co.

Chicago Style aipamena

Knapp, Charles L. Problems in Contract Law: Cases and Materials. Boston: Little Brown & Co, 1976.

MLA aipamena

Knapp, Charles L. Problems in Contract Law: Cases and Materials. Little Brown & Co, 1976.