Παραπομπή APA

(2017). The Orient blackswan Atlas for Competitive exams. Orient blackswan.

Παραπομπή Chicago Style

The Orient Blackswan Atlas for Competitive Exams. Hyderabad: Orient blackswan, 2017.

Παραπομπή MLA

The Orient Blackswan Atlas for Competitive Exams. Orient blackswan, 2017.