Παραπομπή σε μορφή APA (7η εκδ.)

Baker, P. T. (1977). Human population problems in the biosphere: Some research strategies and designs. Unesco.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Baker, Paul T. Human Population Problems in the Biosphere: Some Research Strategies and Designs. Paris: Unesco, 1977.

Παραπομπή σε μορφή MLA (9th εκδ.)

Baker, Paul T. Human Population Problems in the Biosphere: Some Research Strategies and Designs. Unesco, 1977.