Gaya APA
WOLFE, Fletcher, WOLFE, Caleb Wroe.. (1959).
Earth Science (5th. ed.).
New York:
Heath and Company Boston.
Gaya Chicago
WOLFE, Fletcher, WOLFE, Caleb Wroe..
Earth Science.
5th. ed.
New York:
Heath and Company Boston,
1959.
Teks.
Gaya MLA
WOLFE, Fletcher, WOLFE, Caleb Wroe..
Earth Science.
5th. ed.
New York:
Heath and Company Boston,
1959.
Teks.
Gaya Turabian
WOLFE, Fletcher, WOLFE, Caleb Wroe..
Earth Science.
5th. ed.
New York:
Heath and Company Boston,
1959.
Teks.