Bettinger, P., & Wing, M. G. (2004). Geographic information systems: Applications in forestry and natural resources management. McGraw Hill.
استشهاد بنمط شيكاغوBettinger, Pete, و Michael G. Wing. Geographic Information Systems: Applications in Forestry and Natural Resources Management. New York: McGraw Hill, 2004.
MLA استشهادBettinger, Pete, و Michael G. Wing. Geographic Information Systems: Applications in Forestry and Natural Resources Management. McGraw Hill, 2004.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.