APA aipamena

NCERT. (2007). SOCIAL SCIENCE OUR ENVIRONMENT TEXTBOOK IN GEOGRAPHY FOR CLASS - VII. NCERT.

Chicago Style aipamena

NCERT. SOCIAL SCIENCE OUR ENVIRONMENT TEXTBOOK IN GEOGRAPHY FOR CLASS - VII. NEW DELHI: NCERT, 2007.

MLA aipamena

NCERT. SOCIAL SCIENCE OUR ENVIRONMENT TEXTBOOK IN GEOGRAPHY FOR CLASS - VII. NCERT, 2007.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.