Gaya APA

D., A, L, M, P., CROFT, R. (1989). PROBLEMS FOR ENGINEERING GRAPHICS Workbook 1 . United States of America: A WILEY-INTERSCIENCE PUBLICATION.

Gaya MLA

D., Albert, L., Meyers,, Ph.., CROFT, RICHARD. "PROBLEMS FOR ENGINEERING GRAPHICS Workbook 1". United States of America: A WILEY-INTERSCIENCE PUBLICATION, 1989. Text.