Παραπομπή APA

Koopmans, T. C. (1976). Activity analysis of production and allocation: Proceedings ofa conference. New Haven ; London: Yale University.

Παραπομπή Chicago Style

Koopmans, Tjalling C. Activity Analysis of Production and Allocation: Proceedings Ofa Conference. New Haven ; London: Yale University, 1976.

Παραπομπή MLA

Koopmans, Tjalling C. Activity Analysis of Production and Allocation: Proceedings Ofa Conference. New Haven ; London: Yale University, 1976.

Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.