Gaya APA

CENTER, D, L, I, E, L. (1991). E-BOOK AMERICAN LANGUAGE COURSE LEVEL III BOOK 14 . TEXAS: DEFENSE LANGUAGE INSTITUTE ENGLISH LANGUAGE CENTER.

Gaya MLA

CENTER, DEFENSE, LANGUAGE, INSTITUTE, ENGLISH, LANGUAGE. "E-BOOK AMERICAN LANGUAGE COURSE LEVEL III BOOK 14". TEXAS: DEFENSE LANGUAGE INSTITUTE ENGLISH LANGUAGE CENTER, 1991. Computer File.