APA Style

Duff, Jon M. (1990). CONCEPTS OF TECHNICAL GRAPHICS (-). Boston, Massachusetts: PWS-Kent Publishing Company.

Chicago Style

Duff, Jon M. CONCEPTS OF TECHNICAL GRAPHICS. - Boston, Massachusetts: PWS-Kent Publishing Company, 1990. Text.

MLA Style

Duff, Jon M. CONCEPTS OF TECHNICAL GRAPHICS. - Boston, Massachusetts: PWS-Kent Publishing Company, 1990. Text.

Turabian Style

Duff, Jon M. CONCEPTS OF TECHNICAL GRAPHICS. - Boston, Massachusetts: PWS-Kent Publishing Company, 1990. Print.