Παραπομπή σε μορφή APA (7η εκδ.)

Hermance, J. F. (2014). Historical Variability of Rainfall in the African East Sahel of Sudan: Implications for Development. Springer International Publishing : Imprint: Springer.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Hermance, John F. Historical Variability of Rainfall in the African East Sahel of Sudan: Implications for Development. Cham: Springer International Publishing : Imprint: Springer, 2014.

Παραπομπή σε μορφή MLA (8th εκδ.)

Hermance, John F. Historical Variability of Rainfall in the African East Sahel of Sudan: Implications for Development. Springer International Publishing : Imprint: Springer, 2014.