APA

Kessler F., Sharp M. P., . (1953). Contracts: cases and materials. New York: Prentice-Hall.

Chicago

Kessler Friedrich, Sharp Malcolm Pitman, . 1953. Contracts: cases and materials. New York: Prentice-Hall.

Harvard

Kessler F., Sharp M. P., . (1953). Contracts: cases and materials. New York: Prentice-Hall.

MLA

Kessler Friedrich, Sharp Malcolm Pitman, . Contracts: cases and materials. New York: Prentice-Hall. 1953.