Mc Callum, G. P. (1982). Words people use: Passive/active vocabulary skills for students of esl. Harper & Row.
Chicago Style (17th ed.) CitationMc Callum, George P. Words People Use: Passive/active Vocabulary Skills for Students of Esl. New York: Harper & Row, 1982.
MLA (8th ed.) CitationMc Callum, George P. Words People Use: Passive/active Vocabulary Skills for Students of Esl. Harper & Row, 1982.
Warning: These citations may not always be 100% accurate.