Hartman, R. R. (1976). Graphics For Designers A Studio Workbook Robert R. Hartmann. The IOWA State University.
Style de citation Chicago (17e éd.)Hartman, Robert R. Graphics For Designers A Studio Workbook Robert R. Hartmann. The IOWA State University, 1976.
Style de citation MLA (8e éd.)Hartman, Robert R. Graphics For Designers A Studio Workbook Robert R. Hartmann. The IOWA State University, 1976.
Attention : ces citations peuvent ne pas être correctes à 100%.