APA Citatie

(1964). English 900: Prepared by english language services, INC. New York: The macmilian company.

Chicago Style citaat

English 900: Prepared By English Language Services, INC. New York: The macmilian company, 1964.

MLA citatie

English 900: Prepared By English Language Services, INC. New York: The macmilian company, 1964.

Let op: Deze citaties zijn niet altijd 100% accuraat.