Lounsbury, J. F., & Aldrich, F. T. (1986). Introduction to geographic field methods and techniques (Second edition.). C.E. Merrill Publishing.
Citación estilo ChicagoLounsbury, John F., and Frank T. Aldrich. Introduction to Geographic Field Methods and Techniques. Second edition. Columbus: C.E. Merrill Publishing, 1986.
Cita MLALounsbury, John F., and Frank T. Aldrich. Introduction to Geographic Field Methods and Techniques. Second edition. C.E. Merrill Publishing, 1986.
Warning: These citations may not always be 100% accurate.