Παραπομπή σε μορφή APA (7η εκδ.)

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.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Liongson, 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.

Παραπομπή σε μορφή MLA (9th εκδ.)

Liongson, 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.