Παραπομπή σε μορφή APA (7η εκδ.)

Urry, J. B., Ferguson, N., & Mouat, D. A. (1979). A natural resource analysis of the province of Zinder, Niger, using remote sensing techniques. Arid Lands Natural Resources Committee, University of Arizona.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Urry, J. B., N. Ferguson, και David A. Mouat. A Natural Resource Analysis of the Province of Zinder, Niger, Using Remote Sensing Techniques. Tucson, Arizona: Arid Lands Natural Resources Committee, University of Arizona, 1979.

Παραπομπή σε μορφή MLA (8th εκδ.)

Urry, J. B., et al. A Natural Resource Analysis of the Province of Zinder, Niger, Using Remote Sensing Techniques. Arid Lands Natural Resources Committee, University of Arizona, 1979.