APA-referens

Helper, D. J., & Dana J. Helper; Paul Ross Wallach; Donald Helper. (2006). Drafting and Design for Architecture Workbook. Clifton Park: Delmar Cengage Learning.

Chicago-stil citat

Helper, Dana J., och Dana J. Helper; Paul Ross Wallach; Donald Helper. Drafting and Design for Architecture Workbook. Clifton Park: Delmar Cengage Learning, 2006.

MLA-referens

Helper, Dana J., och Dana J. Helper; Paul Ross Wallach; Donald Helper. Drafting and Design for Architecture Workbook. Clifton Park: Delmar Cengage Learning, 2006.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.