Gaya APA
PETERSON, Roger Tory. (1979).
A Field Guide Western Birds (2nd.ed).
New York:
Houghton Mifflin Company Boston.
Gaya Chicago
PETERSON, Roger Tory.
A Field Guide Western Birds.
2nd.ed
New York:
Houghton Mifflin Company Boston,
1979.
Teks.
Gaya MLA
PETERSON, Roger Tory.
A Field Guide Western Birds.
2nd.ed
New York:
Houghton Mifflin Company Boston,
1979.
Teks.
Gaya Turabian
PETERSON, Roger Tory.
A Field Guide Western Birds.
2nd.ed
New York:
Houghton Mifflin Company Boston,
1979.
Teks.