Παραπομπή σε μορφή APA (7η εκδ.)

Elek, A. (1980). Feasibility study for the construction of economics-demographic model for Indonesia. International Labour Office.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Elek, Andrew. Feasibility Study for the Construction of Economics-demographic Model for Indonesia. Geneva: International Labour Office, 1980.

Παραπομπή σε μορφή MLA (9th εκδ.)

Elek, Andrew. Feasibility Study for the Construction of Economics-demographic Model for Indonesia. International Labour Office, 1980.