Παραπομπή APA

Gallagher, S., & Herbert, S. J. (1998). Powerbuilder 6.0: Unleashed. Techmedia.

Παραπομπή Chicago Style

Gallagher, Simon, και Simon J.A Herbert. Powerbuilder 6.0: Unleashed. New Delhi: Techmedia, 1998.

Παραπομπή MLA

Gallagher, Simon, και Simon J.A Herbert. Powerbuilder 6.0: Unleashed. Techmedia, 1998.