एपीए उद्धरण

Spotts, M. F. (2004). Design of machine elements. New Jersey: Pearson Prentice Hall.

शिकागो स्टाइल उद्धरण

Spotts, M. F. Design of Machine Elements. New Jersey: Pearson Prentice Hall, 2004.

एमएलए उद्धरण

Spotts, M. F. Design of Machine Elements. New Jersey: Pearson Prentice Hall, 2004.