APA Style
Welker, John R. (1991).
Exploring Drafting ; Basic Fundamentals .
South Holland:
The Goodheart Willcox Comany.
Chicago Style
Welker, John R.
Exploring Drafting ; Basic Fundamentals.
South Holland:
The Goodheart Willcox Comany,
1991.
Text.
MLA Style
Welker, John R.
Exploring Drafting ; Basic Fundamentals.
South Holland:
The Goodheart Willcox Comany,
1991.
Text.
Turabian Style
Welker, John R.
Exploring Drafting ; Basic Fundamentals.
South Holland:
The Goodheart Willcox Comany,
1991.
Print.