Gaya APA

Stockel, M, W., Duffy, J, E. (1990). Workbook For Auto Mechanics Fundamentals (--). South Holland, IIlinois: The Goodheart - Willcox.

Gaya MLA

Stockel, Martin, W.., Duffy, James, E.. "Workbook For Auto Mechanics Fundamentals". -- South Holland, IIlinois: The Goodheart - Willcox, 1990. Text.