Gaya APA

HANSEN, A, H., Seymour, E, H. (1953). ECONOMICS HANDBOOK SERIES: A GUIDE TO KEYNES . New York: McGRAW-HILL.

Gaya MLA

HANSEN, Alvin, H.., Seymour, E., Harris. "ECONOMICS HANDBOOK SERIES: A GUIDE TO KEYNES". New York: McGRAW-HILL, 1953. Textbook.