APA ציטוט

Wagemann, E. (1930). Economic rhythm: A theory of business cycles. London: McGraw- Hill Book Company, Inc.

Trích dẫn kiểu Chicago

Wagemann, Ernst. Economic Rhythm: A Theory of Business Cycles. London: McGraw- Hill Book Company, Inc, 1930.

ציטוט MLA

Wagemann, Ernst. Economic Rhythm: A Theory of Business Cycles. London: McGraw- Hill Book Company, Inc, 1930.