Dyfyniad APA

Parkinson, W. D. (1983). Introduction to geomagnetism. Scottish academic Press.

Dyfyniad Arddull Chicago

Parkinson, W. D. Introduction to Geomagnetism. London: Scottish academic Press, 1983.

Dyfyniad MLA

Parkinson, W. D. Introduction to Geomagnetism. Scottish academic Press, 1983.

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