APA aipamena

Hultgren, T. (1965). Cost, prices, and profits, their cyclical relations. National Bureau of Economic Research.

Chicago Style aipamena

Hultgren, Thor. Cost, Prices, and Profits, Their Cyclical Relations. New York: National Bureau of Economic Research, 1965.

MLA aipamena

Hultgren, Thor. Cost, Prices, and Profits, Their Cyclical Relations. National Bureau of Economic Research, 1965.