APA aipamena

Hartman, R. R. (1976). Graphics For Designers A Studio Workbook Robert R. Hartmann. The IOWA State University.

Chicago Style aipamena

Hartman, Robert R. Graphics For Designers A Studio Workbook Robert R. Hartmann. The IOWA State University, 1976.

MLA aipamena

Hartman, Robert R. Graphics For Designers A Studio Workbook Robert R. Hartmann. The IOWA State University, 1976.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.