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MLA

Wigton, William H, and Peter Bormann. "A Guide to Area Sampling Frame Construction Utilizing Satellite Imagery." ,

APA

Wigton, W. H, & Bormann, P. (0000). A guide to area sampling frame construction utilizing satellite imagery.

Chicago

Wigton, William H., and Peter Bormann. "A guide to area sampling frame construction utilizing satellite imagery" (1978):