APA aipamena

Laszlo, E. (1974). A strategy for the future: The systems approach to world order. New York: George Braziller.

Chicago Style aipamena

Laszlo, Ervin. A Strategy for the Future: The Systems Approach to World Order. New York: George Braziller, 1974.

MLA aipamena

Laszlo, Ervin. A Strategy for the Future: The Systems Approach to World Order. New York: George Braziller, 1974.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.