Spence, R. B. (1972). The improvement of college marking systems. AMS Press.
Chicago Style (17th ed.) CitationSpence, Ralph Beckett. The Improvement of College Marking Systems. [New York: AMS Press, 1972.
MLA (9th ed.) CitationSpence, Ralph Beckett. The Improvement of College Marking Systems. AMS Press, 1972.
Warning: These citations may not always be 100% accurate.