एपीए उद्धरण

Laszlo, E. (1973). The world system: Models, norms, applications. New York: George Braziller.

शिकागो स्टाइल उद्धरण

Laszlo, Ervin. The World System: Models, Norms, Applications. New York: George Braziller, 1973.

एमएलए उद्धरण

Laszlo, Ervin. The World System: Models, Norms, Applications. New York: George Braziller, 1973.