Greely, R. (1994). Planetary landscape: :2nd ed (2nd ed.). Chapman & Hall.
Čikaški stil citiranjaGreely, Ronald. Planetary Landscape: :2nd Ed. 2nd ed. New York: Chapman & Hall, 1994.
MLA način citiranjaGreely, Ronald. Planetary Landscape: :2nd Ed. 2nd ed. Chapman & Hall, 1994.
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