Gaya APA

VALETTE, R, M. (1972). Modern Language Performance Objectives and Individualization (First Published). New York: Harcourt Brace Jovanovich College Publishers.

Gaya MLA

VALETTE, Rebecca, M.. "Modern Language Performance Objectives and Individualization". First Published New York: Harcourt Brace Jovanovich College Publishers, 1972. Text.