Cita APA (7th ed.)

SAH, S. (2008). 101 FACTS NATURAL WORLD. PEARSON EDUCATION.

Cita Chicago (17th ed.)

SAH, SNIGDHA. 101 FACTS NATURAL WORLD. NEW DELHI: PEARSON EDUCATION, 2008.

Cita MLA (9th ed.)

SAH, SNIGDHA. 101 FACTS NATURAL WORLD. PEARSON EDUCATION, 2008.