Cita APA (7th ed.)

NCERT. (2006). SCIENCE TEXTBOOK FOR CLASS - VI. NCERT.

Cita Chicago (17th ed.)

NCERT. SCIENCE TEXTBOOK FOR CLASS - VI. NEW DELHI: NCERT, 2006.

Cita MLA (9th ed.)

NCERT. SCIENCE TEXTBOOK FOR CLASS - VI. NCERT, 2006.