APA ציטוט

Babson, R. W. (1916). Business barometers used in the accumulation of money: A text book on applied economics for merchants, bankers and investors ((9th ed.) Issued Oct., 1916.). Babson's statistical organization.

Chicago Style (17th ed.) Citation

Babson, Roger Ward. Business Barometers Used in the Accumulation of Money: A Text Book on Applied Economics for Merchants, Bankers and Investors. (9th ed.) Issued Oct., 1916. Wellesley Hills, Mass.: Babson's statistical organization, 1916.

ציטוט MLA

Babson, Roger Ward. Business Barometers Used in the Accumulation of Money: A Text Book on Applied Economics for Merchants, Bankers and Investors. (9th ed.) Issued Oct., 1916. Babson's statistical organization, 1916.