D'arcangelo, B., D'arcangelo, B., & Guest, J. R. (1982). Mathematics for Plumbers and Pipe Fitters. Albany, New York: Delmar.
शिकागो स्टाइल उद्धरणD'arcangelo, Bartholomew, Benedict D'arcangelo, और J. Russell Guest. Mathematics for Plumbers and Pipe Fitters. Albany, New York: Delmar, 1982.
एमएलए उद्धरणD'arcangelo, Bartholomew, Benedict D'arcangelo, और J. Russell Guest. Mathematics for Plumbers and Pipe Fitters. Albany, New York: Delmar, 1982.
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