Gaya APA
Rao, K.S.. (1993).
Practical ecology .
New Delhi:
Anmol.
Gaya Chicago
Rao, K.S..
Practical ecology.
New Delhi:
Anmol,
1993.
Text.
Gaya MLA
Rao, K.S..
Practical ecology.
New Delhi:
Anmol,
1993.
Text.
Gaya Turabian
Rao, K.S..
Practical ecology.
New Delhi:
Anmol,
1993.
Print.