Gaya APA

Motion and Time Study. (2009). : Irwin.

Gaya Chicago

Motion and Time Study. Ed.8, Cet.5. : Irwin, 2009. .

Gaya MLA

Motion and Time Study. Ed.8, Cet.5. : Irwin, 2009. .

Gaya Turabian

Motion and Time Study. : Irwin, 2009. .