Παραπομπή σε μορφή APA (7η εκδ.)

Singh, V. P., & Frevert, D. K. (2002). Mathematical models of small watershed hydrology and applications. Water Resources Publications.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Singh, V. P., και Donald K. Frevert. Mathematical Models of Small Watershed Hydrology and Applications. Highlands Ranch, Colo.: Water Resources Publications, 2002.

Παραπομπή σε μορφή MLA (9th εκδ.)

Singh, V. P., και Donald K. Frevert. Mathematical Models of Small Watershed Hydrology and Applications. Water Resources Publications, 2002.