APA citiranje

Gregory, K. J. (2010). The Earth's land surface: Landforms and processes in geomorphology. SAGE.

Chicago Style (17th ed.) Citation

Gregory, K. J. The Earth's Land Surface: Landforms and Processes in Geomorphology. London: SAGE, 2010.

MLA citiranje

Gregory, K. J. The Earth's Land Surface: Landforms and Processes in Geomorphology. SAGE, 2010.