Gaya APA

INC, E, L, S. (1964). English 900: a basic course five (1.; Jilid 5). London: Collier Maillan Publishers.

Gaya MLA

INC, English, Language, Services,. "English 900: a basic course five". 1.; Jilid 5 London: Collier Maillan Publishers, 1964. Text.