Gaya APA
Encyclopaedia of World Environment: Ecology. (1999).
New Delhi:
A.P.H Publishing Corporation.
Gaya Chicago
Encyclopaedia of World Environment: Ecology.
Volume I.
New Delhi:
A.P.H Publishing Corporation,
1999.
Text.
Gaya MLA
Encyclopaedia of World Environment: Ecology.
Volume I.
New Delhi:
A.P.H Publishing Corporation,
1999.
Text.
Gaya Turabian
Encyclopaedia of World Environment: Ecology.
New Delhi:
A.P.H Publishing Corporation,
1999.
Print.