Tipton, R. L. (1974). Sociological correlates of English proficiency.
Chicago Style (17th ed.) CitationTipton, Robert Lee. Sociological Correlates of English Proficiency. 1974.
MLA (9th ed.) CitationTipton, Robert Lee. Sociological Correlates of English Proficiency. 1974.
Warning: These citations may not always be 100% accurate.