Gaya APA

DeGarmo, E, P., Black, J, T, (. (1988). Materials and Processes in Manufacturing 7th Editon (7th). : McMillan Publishing Company, Inc..

Gaya MLA

DeGarmo, E, Paul., Black, J, Temple, (a.o). "Materials and Processes in Manufacturing 7th Editon". 7th : McMillan Publishing Company, Inc., 1988. Text.