Gaya APA

Lang, H, J., DeCoursey, M. (1983). Profitability accounting and bidding strategy for engineering and construction management . New York: Van Nostrand Reinhold.

Gaya MLA

Lang, Hans, J.., DeCoursey, Michael. "Profitability accounting and bidding strategy for engineering and construction management". New York: Van Nostrand Reinhold, 1983. Text.