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. .