APA-čujuhus (7. p.)

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

Chicago-čujuhus (17. p.)

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

MLA-čujuhus (9. p.)

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

Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.