Cita APA (7th ed.)

NCERT. (2008). SCIENCE TEXTBOOK FOR CLASS - VIII. NCERT.

Cita Chicago (17th ed.)

NCERT. SCIENCE TEXTBOOK FOR CLASS - VIII. NEW DELHI: NCERT, 2008.

Cita MLA (9th ed.)

NCERT. SCIENCE TEXTBOOK FOR CLASS - VIII. NCERT, 2008.