Παραπομπή σε μορφή APA (7η εκδ.)

Dunlap, R. E. (2002). Sociological theory and the environment: Classical foundations, contemporary insights. Rowman & Littlefield.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Dunlap, Riley E. Sociological Theory and the Environment: Classical Foundations, Contemporary Insights. Lanham: Rowman & Littlefield, 2002.

Παραπομπή σε μορφή MLA (9th εκδ.)

Dunlap, Riley E. Sociological Theory and the Environment: Classical Foundations, Contemporary Insights. Rowman & Littlefield, 2002.