एपीए उद्धरण

Levy, S., & Dubois, J. H. (1977). Plastics product design engineering handbook. Van Nostrand Reinhold Co.

शिकागो स्टाइल उद्धरण

Levy, Sidney, और J Harry Dubois. Plastics Product Design Engineering Handbook. .New York: Van Nostrand Reinhold Co, 1977.

एमएलए उद्धरण

Levy, Sidney, और J Harry Dubois. Plastics Product Design Engineering Handbook. Van Nostrand Reinhold Co, 1977.