Citazione Stile APA (7a Edizione)

Clarey, M. E., & Dixson, R. J. (1963). Pronunciation exercises in english. Simon and Schuster.

Citazione stile Chigago Style (17a edizione)

Clarey, M. Elizabeth, e Robert J. Dixson. Pronunciation Exercises in English. Nueva York: Simon and Schuster, 1963.

Citatione MLA (9a ed.)

Clarey, M. Elizabeth, e Robert J. Dixson. Pronunciation Exercises in English. Simon and Schuster, 1963.