APA
Phondke Bal, . (2000). 100 science puzzles. India: Scholastic.
Chicago
Phondke Bal, . 2000. 100 science puzzles. India: Scholastic.
Harvard
Phondke Bal, . (2000). 100 science puzzles. India: Scholastic.
MLA
Phondke Bal, . 100 science puzzles. India: Scholastic. 2000.