Παραπομπή APA

Manjul Tyagi. Upkar's practice sets SSC central. Upkar Prakashan.

Παραπομπή Chicago Style

Manjul Tyagi. Upkar's Practice Sets SSC Central. Agra: Upkar Prakashan.

Παραπομπή MLA

Manjul Tyagi. Upkar's Practice Sets SSC Central. Upkar Prakashan.