APA引文
Gatenby, E. V. (1960). A direct Method English Course (1a. ed.). Longman.
Chicago Style (17th ed.) Citation
Gatenby, E. V. A Direct Method English Course. 1a. ed. Hong Kong: Longman, 1960.
MLA引文
Gatenby, E. V. A Direct Method English Course. 1a. ed. Longman, 1960.
警告：這些引文格式不一定是100％准確.