APA aipamena

Sule, A. (2016). Problems and solutions International olympiads on astronomy and astrophysics (2nd.). University press (India ).

Chicago Style aipamena

Sule, Aniket. Problems and Solutions International Olympiads on Astronomy and Astrophysics. 2nd. Telangana: University press (India ), 2016.

MLA aipamena

Sule, Aniket. Problems and Solutions International Olympiads on Astronomy and Astrophysics. 2nd. University press (India ), 2016.