Cita APA

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

Chicago Edition Citation

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

Cita MLA

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