Gaya APA
Metcalf, C.L.. (1962).
Destructive and useful Insects .
New york:
American Book Company.
Gaya Chicago
Metcalf, C.L..
Destructive and useful Insects.
New york:
American Book Company,
1962.
Text.
Gaya MLA
Metcalf, C.L..
Destructive and useful Insects.
New york:
American Book Company,
1962.
Text.
Gaya Turabian
Metcalf, C.L..
Destructive and useful Insects.
New york:
American Book Company,
1962.
Print.