Cita APA (7a ed.)

DUTTA, S. (2003). LET'S KNOW ABOUT POLAR REGIONS. UNICATE PUBLICATIONS.

Cita Chicago Style (17a ed.)

DUTTA, SHYAMA. LET'S KNOW ABOUT POLAR REGIONS. PUNE: UNICATE PUBLICATIONS, 2003.

Cita MLA (9a ed.)

DUTTA, SHYAMA. LET'S KNOW ABOUT POLAR REGIONS. UNICATE PUBLICATIONS, 2003.