Παραπομπή σε μορφή APA (7η εκδ.)

Zoutendijk, G. (1970). Methods of feasible directions: A study in linear and non-linear programming. Elsevier.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Zoutendijk, G. Methods of Feasible Directions: A Study in Linear and Non-linear Programming. Amsterdam, New York, London: Elsevier, 1970.

Παραπομπή σε μορφή MLA (9th εκδ.)

Zoutendijk, G. Methods of Feasible Directions: A Study in Linear and Non-linear Programming. Elsevier, 1970.