Παραπομπή σε μορφή APA (7η εκδ.)

Hartley, R. (1985). Linear and nonlinear programming: An introduction to linear methods in mathematical programming. Ellis Horwood.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Hartley, Roger. Linear and Nonlinear Programming: An Introduction to Linear Methods in Mathematical Programming. Chichester: Ellis Horwood, 1985.

Παραπομπή σε μορφή MLA (9th εκδ.)

Hartley, Roger. Linear and Nonlinear Programming: An Introduction to Linear Methods in Mathematical Programming. Ellis Horwood, 1985.