Citazione APA

Bhattacharya, S., & Ramachandran, K. Exploring environment book one: A text book for class II.

Stile di citazione Chicago

Bhattacharya, Shukla, e K. Ramachandran. Exploring Environment Book One: A Text Book for Class II. New Delhi, National Council of educational research and training.

Citazione MLA

Bhattacharya, Shukla, e K. Ramachandran. Exploring Environment Book One: A Text Book for Class II.