Παραπομπή APA

Parkash, K., Chug, O. P., & Dahiya, R. (2008). Topics in geometry. Firewall Media.

Παραπομπή Chicago Style

Parkash, Kulbhushan, Om P. Chug, και R.S Dahiya. Topics in Geometry. Cochin: Firewall Media, 2008.

Παραπομπή MLA

Parkash, Kulbhushan, et al. Topics in Geometry. Firewall Media, 2008.