Cita APA (7th ed.)

Corey, G., & Corey, C. Living and learning. Wadsworth.

Cita Chicago (17th ed.)

Corey, Gerald, i Cindy Corey. Living and Learning. Belmont: Wadsworth.

Cita MLA (9th ed.)

Corey, Gerald, i Cindy Corey. Living and Learning. Wadsworth.