APA
Geary R. C., Spencer J. e., . (1973). Elements of linear programming with economic applications. London: Charles Griffin & Company Limited.
Chicago
Geary Robert Charles, Spencer J e, . 1973. Elements of linear programming with economic applications. London: Charles Griffin & Company Limited.
Harvard
Geary R. C., Spencer J. e., . (1973). Elements of linear programming with economic applications. London: Charles Griffin & Company Limited.
MLA
Geary Robert Charles, Spencer J e, . Elements of linear programming with economic applications. London: Charles Griffin & Company Limited. 1973.