Roth, R., & Pentak, S. (2013). Design basics. Richard Roth, Stephen Pentak (International edition.). Wadsworth, Cengage Learning.
Chicago Style (17th ed.) CitationRoth, Richard, and Stephen Pentak. Design Basics. Richard Roth, Stephen Pentak. International edition. [Boston, MA?]: Wadsworth, Cengage Learning, 2013.
MLA (9th ed.) CitationRoth, Richard, and Stephen Pentak. Design Basics. Richard Roth, Stephen Pentak. International edition. Wadsworth, Cengage Learning, 2013.
Warning: These citations may not always be 100% accurate.