Gaya APA
Earle, J, H. (1992).
Engineering Design Graphics Auto CAD Release 11/ Seventh Edition (7).
USA:
Addison-Wesley Publishing Company.
Gaya MLA
Earle, James, H..
"Engineering Design Graphics Auto CAD Release 11/ Seventh Edition".
7
USA:
Addison-Wesley Publishing Company,
1992.
Buku Text.