Gaya APA
GILBERT,Bill. (1975).
The Old west : the traiblazer .
New York:
Time Life.
Gaya Chicago
GILBERT,Bill.
The Old west : the traiblazer.
New York:
Time Life,
1975.
Text.
Gaya MLA
GILBERT,Bill.
The Old west : the traiblazer.
New York:
Time Life,
1975.
Text.
Gaya Turabian
GILBERT,Bill.
The Old west : the traiblazer.
New York:
Time Life,
1975.
Print.