Παραπομπή σε μορφή APA (7η εκδ.)

Sala, M., & Conacher, A. J. (1998). Land degradation in Mediterranean environments of the world: Nature and extend, causes and solutions. Wiley.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Sala, Maria, και Arthur J. Conacher. Land Degradation in Mediterranean Environments of the World: Nature and Extend, Causes and Solutions. Chichester: Wiley, 1998.

Παραπομπή σε μορφή MLA (8th εκδ.)

Sala, Maria, και Arthur J. Conacher. Land Degradation in Mediterranean Environments of the World: Nature and Extend, Causes and Solutions. Wiley, 1998.