Cita APA (7th ed.)

Trent, M., & McCormack, D. (2010). Beginning Mac OS X Snow Leopard programming. Wiley.

Cita Chicago (17th ed.)

Trent, Michael, i Drew McCormack. Beginning Mac OS X Snow Leopard Programming. Indianapolis, IN: Wiley, 2010.

Cita MLA (9th ed.)

Trent, Michael, i Drew McCormack. Beginning Mac OS X Snow Leopard Programming. Wiley, 2010.