APA
Phondke B., Bal Phondke, . (2006). 100 Logic & Maths Brain Teasers. New York: Scholastic.
Chicago
Phondke Bal, Bal Phondke, . 2006. 100 Logic & Maths Brain Teasers. New York: Scholastic.
Harvard
Phondke B., Bal Phondke, . (2006). 100 Logic & Maths Brain Teasers. New York: Scholastic.
MLA
Phondke Bal, Bal Phondke, . 100 Logic & Maths Brain Teasers. New York: Scholastic. 2006.