Citazione Stile APA (7a Edizione)

STEINBERG, R. (1986). Prentice-hall's practice tests for the TOEFL. Prentice-Hall.

Citazione stile Chigago Style (17a edizione)

STEINBERG, Roberta. Prentice-hall's Practice Tests for the TOEFL. Englewood Cliffs: Prentice-Hall, 1986.

Citatione MLA (9a ed.)

STEINBERG, Roberta. Prentice-hall's Practice Tests for the TOEFL. Prentice-Hall, 1986.