Παραπομπή APA

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

Παραπομπή Chicago Style

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

Παραπομπή MLA

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