(1964). English 900: English Langage Services. Collier macmillan.
Chicago Style (17th ed.) CitationEnglish 900: English Langage Services. New York: Collier macmillan, 1964.
MLA (9th ed.) CitationEnglish 900: English Langage Services. Collier macmillan, 1964.
Warning: These citations may not always be 100% accurate.