एपीए उद्धरण

Morris,William Thomas. (1960). Engineering economic analysis. Reston Publishing Company.

शिकागो स्टाइल उद्धरण

Morris,William Thomas. Engineering Economic Analysis. Reston Virgina: Reston Publishing Company, 1960.

एमएलए उद्धरण

Morris,William Thomas. Engineering Economic Analysis. Reston Publishing Company, 1960.