frisch, R. (1964). inseeking by the nonplex method in nonlinear programming. National Planning Institute.
Chicago (17e ed.) Bronvermeldingfrisch, R. Inseeking by the Nonplex Method in Nonlinear Programming. cairo: National Planning Institute, 1964.
MLA (9e ed.) Bronvermeldingfrisch, R. Inseeking by the Nonplex Method in Nonlinear Programming. National Planning Institute, 1964.