Dyfyniad APA

Niemann, B. J., McLaughlin, J. D., & Dahlberg, R. E. (1989). Developments in land information management. Institute for Land Information.

Dyfyniad Arddull Chicago

Niemann, Bernard J., John D. McLaughlin, and R. E. Dahlberg. Developments in Land Information Management. Washington, D.C.: Institute for Land Information, 1989.

Dyfyniad MLA

Niemann, Bernard J., et al. Developments in Land Information Management. Institute for Land Information, 1989.

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