Gaya APA

Ackoff, R., Sasieni, M. (1968). Fundamentals of operations research (A Wiley Int.ed.). New York: John Wiley & Sons.

Gaya MLA

Ackoff, R.L.., Sasieni, M.W.. "Fundamentals of operations research". A Wiley Int.ed. New York: John Wiley & Sons, 1968. Text.