Cita APA (7a ed.)

Valette, R. M., & Disick, R. S. (1972). Modern language performance objectives and individualization. Harcourt Brace.

Cita Chicago Style (17a ed.)

Valette, Rebecca M., y Renee S. Disick. Modern Language Performance Objectives and Individualization. New York: Harcourt Brace, 1972.

Cita MLA (8a ed.)

Valette, Rebecca M., y Renee S. Disick. Modern Language Performance Objectives and Individualization. Harcourt Brace, 1972.