Παραπομπή APA

(1974). Proceedings of the American Congress on Surveying and Mapping, Fall Convention, Washington, D.C., September 10-13, 1974. Washington, D.C: American Congress on Surveying and Mapping.

Παραπομπή Chicago Style

Proceedings of the American Congress On Surveying and Mapping, Fall Convention, Washington, D.C., September 10-13, 1974. Washington, D.C: American Congress on Surveying and Mapping, 1974.

Παραπομπή MLA

Proceedings of the American Congress On Surveying and Mapping, Fall Convention, Washington, D.C., September 10-13, 1974. Washington, D.C: American Congress on Surveying and Mapping, 1974.

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