Gaya APA
Perkins, George. (1990).
The American tradition in literature (7th ed).
New York:
McGraw-Hill.
Gaya Chicago
Perkins, George.
The American tradition in literature.
7th ed
New York:
McGraw-Hill,
1990.
Text.
Gaya MLA
Perkins, George.
The American tradition in literature.
7th ed
New York:
McGraw-Hill,
1990.
Text.
Gaya Turabian
Perkins, George.
The American tradition in literature.
7th ed
New York:
McGraw-Hill,
1990.
Print.