Gaya APA
De, A, K, D, A, A, K. (2004).
ENVIRONMENTAL EDUCATION .
New Delhi:
New Age International (P) Ltd., Publishers.
Gaya MLA
De, Anil, Kumar, De, And, Arnab, Kumar.
"ENVIRONMENTAL EDUCATION".
New Delhi:
New Age International (P) Ltd., Publishers,
2004.
Text.