Gaya APA
STERLING, Dorothy. (1953).
Trees and Their Story (5th. ed.).
New York:
Doubleday and Company.
Gaya Chicago
STERLING, Dorothy.
Trees and Their Story.
5th. ed.
New York:
Doubleday and Company,
1953.
Teks.
Gaya MLA
STERLING, Dorothy.
Trees and Their Story.
5th. ed.
New York:
Doubleday and Company,
1953.
Teks.
Gaya Turabian
STERLING, Dorothy.
Trees and Their Story.
5th. ed.
New York:
Doubleday and Company,
1953.
Teks.