Gaya APA

Stanley, N. (1988). The Best TOEFL Test Book; Edisi Revisi (Edisi Revisi). United States of America: Addison-Wesley Publishing Company.

Gaya MLA

Stanley, Nancy. "The Best TOEFL Test Book; Edisi Revisi". Edisi Revisi United States of America: Addison-Wesley Publishing Company, 1988. Text.