Smith, W. D. (1918). A summary of the salient features of the geology of the Oregon Cascades: With some correlations between the geology of the east coast of Asia and that of the west coast of America. State Printing Dept..
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)Smith, Warren D. A Summary of the Salient Features of the Geology of the Oregon Cascades: With Some Correlations Between the Geology of the East Coast of Asia and That of the West Coast of America. Salem, Or.: State Printing Dept., 1918.
Trích dẫn kiểu MLA (xuất bản lần thứ 8)Smith, Warren D. A Summary of the Salient Features of the Geology of the Oregon Cascades: With Some Correlations Between the Geology of the East Coast of Asia and That of the West Coast of America. State Printing Dept., 1918.
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