Cita APA (7a ed.)

LOUGHEED, L. (1986). Prentice Hall Toefl Prep Book. Prentice Hall.

Cita Chicago Style (17a ed.)

LOUGHEED, Lin. Prentice Hall Toefl Prep Book. Prentice Hall, 1986.

Cita MLA (8a ed.)

LOUGHEED, Lin. Prentice Hall Toefl Prep Book. Prentice Hall, 1986.