APA Баримт

Weaver H. G. (1953). Mainspring of human progress (2nd rev ed.). Foundation for Economic Education.

Чикаго маягийн жагсаалт

Weaver H. G. Mainspring of Human Progress. 2nd rev ed. New York: Foundation for Economic Education, 1953.

MLA ишлэл

Weaver H. G. Mainspring of Human Progress. 2nd rev ed. Foundation for Economic Education, 1953.

Warning: These citations may not always be 100% accurate.