Wellman, B. L. (1957). Technical descriptive geometry (2nd ed.). McGraw-Hill.
Chicago Style (17th ed.) CitationWellman, Bernard Leighton. Technical Descriptive Geometry. 2nd ed. New York: McGraw-Hill, 1957.
MLA citiranjeWellman, Bernard Leighton. Technical Descriptive Geometry. 2nd ed. McGraw-Hill, 1957.
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