THEORIES OF LANDFORM.., MELHORN, W. N. [., & FLEMAL, R. C. [. (1981). Theories of landform development/editor Wilton N. Melhorn; Ronald C. Flemal. George Allen and Unwin.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रTHEORIES OF LANDFORM.., Wilton N. [ed] MELHORN, और Ronald C. [ed] FLEMAL. Theories of Landform Development/editor Wilton N. Melhorn; Ronald C. Flemal. London: George Allen and Unwin, 1981.
एमएलए (9वां संस्करण) प्रशस्ति पत्रTHEORIES OF LANDFORM.., et al. Theories of Landform Development/editor Wilton N. Melhorn; Ronald C. Flemal. George Allen and Unwin, 1981.
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