Gaya APA
Biology teachers'Hnadbook. (1970).
New Delhi:
Wiley Eastern Private Limited.
Gaya Chicago
Biology teachers'Hnadbook.
2nd.
New Delhi:
Wiley Eastern Private Limited,
1970.
Reference.
Gaya MLA
Biology teachers'Hnadbook.
2nd.
New Delhi:
Wiley Eastern Private Limited,
1970.
Reference.
Gaya Turabian
Biology teachers'Hnadbook.
New Delhi:
Wiley Eastern Private Limited,
1970.
Reference.