Gaya APA
MEYER, R, A., CROFT, F, A. (1989).
Problems for engineering graphics Workbook 2 .
New York:
John Wiley & Sons.
Gaya MLA
MEYER, Richard, A.., CROFT, Frank, A..
"Problems for engineering graphics Workbook 2".
New York:
John Wiley & Sons,
1989.
Buku.