Gaya APA
SPERRY,Armstrong. (1947).
The Rain Forest .
New York:
The Macmillan Company.
Gaya Chicago
SPERRY,Armstrong.
The Rain Forest.
New York:
The Macmillan Company,
1947.
Teks.
Gaya MLA
SPERRY,Armstrong.
The Rain Forest.
New York:
The Macmillan Company,
1947.
Teks.
Gaya Turabian
SPERRY,Armstrong.
The Rain Forest.
New York:
The Macmillan Company,
1947.
Teks.