Gaya APA

Barron's, ., America, T, U, S, O. (1992). Buku Essential Words For The Toefl (KESATU). AMERICA: The United States Of America.

Gaya MLA

Barron's, ., America, The, United, States, Of. "Buku Essential Words For The Toefl". KESATU AMERICA: The United States Of America, 1992. Text.