Gaya APA

MADSEN, D, A., MADSEN, D, P. (2017). ENGINEERING DRAWING & DESIGN: SIXTH EDITION (ED.6). BOSTON: CENGAGE LEARNING.

Gaya MLA

MADSEN, DAVID, A.., MADSEN, DAVID, P.. "ENGINEERING DRAWING & DESIGN: SIXTH EDITION". ED.6 BOSTON: CENGAGE LEARNING, 2017. Text.