Cita APA (7th ed.)

Catania, A. C. (1998). Learning (4th ed.). Prentice Hall.

Cita Chicago (17th ed.)

Catania, A. Charles. Learning. 4th ed. Upper Saddle River, N. J: Prentice Hall, 1998.

Cita MLA (9th ed.)

Catania, A. Charles. Learning. 4th ed. Prentice Hall, 1998.