APA استشهاد

Larsen, G. H., & Larsen, K. A. (1991). Mastering harvard graphics 3. Tech Publications.

استشهاد بنمط شيكاغو

Larsen, Glenn H., و Kristopher A. Larsen. Mastering Harvard Graphics 3. Singapore: Tech Publications, 1991.

MLA استشهاد

Larsen, Glenn H., و Kristopher A. Larsen. Mastering Harvard Graphics 3. Tech Publications, 1991.