Cita APA

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

Chicago Style Citation

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

Cita MLA

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