Liongson, L. Q. (1982). Linear programming cases in the water resources engineering classroom: Formulation and implementation with the linear programming language (LPL) package. Philippine Engineering Journal.
Chicago (17e ed.) BronvermeldingLiongson, Leonardo Q. "Linear Programming Cases in the Water Resources Engineering Classroom: Formulation and Implementation with the Linear Programming Language (LPL) Package." Philippine Engineering Journal 1982.
MLA (9e ed.) BronvermeldingLiongson, Leonardo Q. "Linear Programming Cases in the Water Resources Engineering Classroom: Formulation and Implementation with the Linear Programming Language (LPL) Package." Philippine Engineering Journal, 1982.
Let op: Deze citaties zijn niet altijd 100% accuraat.