Gaya APA

Parmley, R, O. (2000). Illustrated Sourcebook of Mechanical Components (Cet. 1). United States: Penerbit McGraw-Hall.

Gaya MLA

Parmley, Robert, O.. "Illustrated Sourcebook of Mechanical Components". Cet. 1 United States: Penerbit McGraw-Hall, 2000. Text.