Cita APA (7a ed.)

Palstra, R. (1987). Telephone english: Dialogues and exercices. Prentice-Hall International.

Cita Chicago Style (17a ed.)

Palstra, Rosemary. Telephone English: Dialogues and Exercices. London, [etc.]: Prentice-Hall International, 1987.

Cita MLA (9a ed.)

Palstra, Rosemary. Telephone English: Dialogues and Exercices. Prentice-Hall International, 1987.