Cita APA (7a ed.)

KING, C., & NANCY, S. (1989). Building skills for the TOEFL (test of english as atest foreign language.-- Ed.2. Thomas Nelson.

Cita Chicago Style (17a ed.)

KING, Carol, y Stanley NANCY. Building Skills for the TOEFL (test of English as Atest Foreign Language.-- Ed.2. Hongkong: Thomas Nelson, 1989.

Cita MLA (9a ed.)

KING, Carol, y Stanley NANCY. Building Skills for the TOEFL (test of English as Atest Foreign Language.-- Ed.2. Thomas Nelson, 1989.