Ronald Greeley. (2013). Introduction to Planetary Geomorphology (1.). Cambridge University Press.
Cita Chicago (17th ed.)Ronald Greeley. Introduction to Planetary Geomorphology. 1. Cambridge University Press, 2013.
Cita MLA (8th ed.)Ronald Greeley. Introduction to Planetary Geomorphology. 1. Cambridge University Press, 2013.
Atenció: Aquestes cites poden no estar 100% correctes.