Παραπομπή APA

Price, M. F., & Heywood, D. I. (1994). Mountain environments and geographic information systems. London: Taylor and Francis, Ltd..

Παραπομπή Chicago Style

Price, Martin F., and D. Ian Heywood. Mountain Environments and Geographic Information Systems. London: Taylor and Francis, Ltd., 1994.

Παραπομπή MLA

Price, Martin F., and D. Ian Heywood. Mountain Environments and Geographic Information Systems. London: Taylor and Francis, Ltd., 1994.

Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.