Gaya APA

Budynas, R, G., Keith, N. (2015). Mechanical engineering design (Tent edition). Palu,: Mc Graw Hill Education.

Gaya MLA

Budynas, Richard, G., Keith, Nisbett,J. "Mechanical engineering design". Tent edition Palu,: Mc Graw Hill Education, 2015. Text Book.