Hamblin, W. K., & Murphy, J. R. (1969). Grand Canyon perspectives: A guide to the canyon scenery by means of interpretive panoramas. W. Kenneth Hamblin and Joseph R. Murphy.
Chicago Style (17. basım) AtıfHamblin, W. Kenneth, ve Joseph Robison Murphy. Grand Canyon Perspectives: A Guide to the Canyon Scenery by Means of Interpretive Panoramas. [Provo, Utah: W. Kenneth Hamblin and Joseph R. Murphy, 1969.
MLA (8th ed.) AtıfHamblin, W. Kenneth, ve Joseph Robison Murphy. Grand Canyon Perspectives: A Guide to the Canyon Scenery by Means of Interpretive Panoramas. W. Kenneth Hamblin and Joseph R. Murphy, 1969.
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