APA-referens

Gupta, V. P., & Ramachandran, K. Let's earn mathematics: Book five.

Chicago-stil citat

Gupta, V P., och K. Ramachandran. Let's Earn Mathematics: Book Five. New Delhi, National council of educational research and training.

MLA-referens

Gupta, V P., och K. Ramachandran. Let's Earn Mathematics: Book Five.