Gaya APA

W.Stockel, M., Duffy, J, E. (1990). Workbook for auto mechanics fundamentals : how and why of the design, construction and operation of automative units . Illinois: Goodheart Willcox co.

Gaya MLA

W.Stockel, Martin., Duffy, James, E. "Workbook for auto mechanics fundamentals : how and why of the design, construction and operation of automative units". Illinois: Goodheart Willcox co, 1990. Text.