Παραπομπή APA

Gupta, R., & Saxena, P. (1972). Viva-voce advanced physics. Pragati prakashan.

Παραπομπή Chicago Style

Gupta, R.C, και P.N Saxena. Viva-voce Advanced Physics. Meerut: Pragati prakashan, 1972.

Παραπομπή MLA

Gupta, R.C, και P.N Saxena. Viva-voce Advanced Physics. Pragati prakashan, 1972.