Gaya APA
Tootill, Elizabeth. (1981).
The facts on file dictionary of biology .
United States of America:
Intercontinental Book.
Gaya Chicago
Tootill, Elizabeth.
The facts on file dictionary of biology.
United States of America:
Intercontinental Book,
1981.
Text.
Gaya MLA
Tootill, Elizabeth.
The facts on file dictionary of biology.
United States of America:
Intercontinental Book,
1981.
Text.
Gaya Turabian
Tootill, Elizabeth.
The facts on file dictionary of biology.
United States of America:
Intercontinental Book,
1981.
Print.