Gaya APA
PRESS, Frank, Siever Raymond.. (1986).
Earth (4th. ed.).
New York:
W.H. Freeman And Company.
Gaya Chicago
PRESS, Frank, Siever Raymond..
Earth.
4th. ed.
New York:
W.H. Freeman And Company,
1986.
Teks.
Gaya MLA
PRESS, Frank, Siever Raymond..
Earth.
4th. ed.
New York:
W.H. Freeman And Company,
1986.
Teks.
Gaya Turabian
PRESS, Frank, Siever Raymond..
Earth.
4th. ed.
New York:
W.H. Freeman And Company,
1986.
Teks.