Παραπομπή σε μορφή APA (7η εκδ.)

Sottas, E. (1985). The least developed countries: An introduction to the LCDs and to the substantial new programme of action for them. United Nations.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Sottas, Eric. The Least Developed Countries: An Introduction to the LCDs and to the Substantial New Programme of Action for Them. New York, N. Y: United Nations, 1985.

Παραπομπή σε μορφή MLA (9th εκδ.)

Sottas, Eric. The Least Developed Countries: An Introduction to the LCDs and to the Substantial New Programme of Action for Them. United Nations, 1985.