Dyfyniad APA

Clark, I. (1979). Practical Geostatistics. Applied Science Publishers.

Dyfyniad Arddull Chicago

Clark, Isobel. Practical Geostatistics. London: Applied Science Publishers, 1979.

Dyfyniad MLA

Clark, Isobel. Practical Geostatistics. Applied Science Publishers, 1979.

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