APA-viite (7. p.)
Gregersen, H. M., Ffolliott, P. F., & Brooks, K. N. (2007). Integrated watershed management: Connecting people to their land and water. CABI Pub..
Chicago-viite (17. p.)
Gregersen, H. M., Peter F. Ffolliott, ja Kenneth N. Brooks. Integrated Watershed Management: Connecting People to Their Land and Water. Wallingford ; Cambridge, Mass.: CABI Pub., 2007.
MLA-viite (9. p.)
Gregersen, H. M., et al. Integrated Watershed Management: Connecting People to Their Land and Water. CABI Pub., 2007.
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