Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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