Gaya APA
A Laboratory and Field manual of Ornithology. (1967).
USA:
Burgess publishing.
Gaya Chicago
A Laboratory and Field manual of Ornithology.
.
USA:
Burgess publishing,
1967.
Buku.
Gaya MLA
A Laboratory and Field manual of Ornithology.
.
USA:
Burgess publishing,
1967.
Buku.
Gaya Turabian
A Laboratory and Field manual of Ornithology.
USA:
Burgess publishing,
1967.
Buku.