Παραπομπή APA

Alok kumar. Upkar's handbook of mathematics. Upkar Prakashan.

Παραπομπή Chicago Style

Alok kumar. Upkar's Handbook of Mathematics. Agra: Upkar Prakashan.

Παραπομπή MLA

Alok kumar. Upkar's Handbook of Mathematics. Upkar Prakashan.