Dyfyniad APA

Diebel, J. H. (1894). A new method with geography: Illustrating the use of the sketch-map. The Author.

Dyfyniad Arddull Chicago

Diebel, J. H. A New Method with Geography: Illustrating the Use of the Sketch-map. West Unity, Ohio: The Author, 1894.

Dyfyniad MLA

Diebel, J. H. A New Method with Geography: Illustrating the Use of the Sketch-map. The Author, 1894.

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