Gaya APA
Wallerstein, Immanuel. (1974).
The modern word system .
New York:
Academics.
Gaya Chicago
Wallerstein, Immanuel.
The modern word system.
New York:
Academics,
1974.
.
Gaya MLA
Wallerstein, Immanuel.
The modern word system.
New York:
Academics,
1974.
.
Gaya Turabian
Wallerstein, Immanuel.
The modern word system.
New York:
Academics,
1974.
.