Cita APA (7th ed.)

Calamari, J. D., & Perillo, J. M. (2010). Contracts (5th ed.). Thomson/West.

Cita Chicago (17th ed.)

Calamari, John D., i Joseph M. Perillo. Contracts. 5th ed. St. Paul, MN: Thomson/West, 2010.

Cita MLA (9th ed.)

Calamari, John D., i Joseph M. Perillo. Contracts. 5th ed. Thomson/West, 2010.