APA ציטוט

Boulding , K. (1964). The meaning of the twentieth centuary: The great transition. Allen and unwin.

Chicago Edition Citation

Boulding , Kenneth. The Meaning of the Twentieth Centuary: The Great Transition. London: Allen and unwin, 1964.

ציטוט MLA

Boulding , Kenneth. The Meaning of the Twentieth Centuary: The Great Transition. Allen and unwin, 1964.