Dyfyniad APA

282642 Williamson, J. (1952). Surveying and field work: A practical text-book. London : Constable.

Dyfyniad Arddull Chicago

282642 Williamson, James. Surveying and Field Work: A Practical Text-book. London : Constable, 1952.

Dyfyniad MLA

282642 Williamson, James. Surveying and Field Work: A Practical Text-book. London : Constable, 1952.

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