Citace podle APA

Englund, K. J. (1963). Geology of the Ewing quadrangle Kentucky and Virginia: Contributions to economic geology. Washington: United States Government Printing Office.

Styl Chicago

Englund, Kenneth John. Geology of the Ewing Quadrangle Kentucky and Virginia: Contributions to Economic Geology. Washington: United States Government Printing Office, 1963.

Citace podle MLA

Englund, Kenneth John. Geology of the Ewing Quadrangle Kentucky and Virginia: Contributions to Economic Geology. Washington: United States Government Printing Office, 1963.

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