Ragan, D. M. (2009). Structural geology: An inroduction to geometrical techniques (4th ed.). Cambridge University.
Čikaški stil citiranjaRagan, Donal M. Structural Geology: An Inroduction to Geometrical Techniques. 4th ed. Cambridge: Cambridge University, 2009.
MLA način citiranjaRagan, Donal M. Structural Geology: An Inroduction to Geometrical Techniques. 4th ed. Cambridge University, 2009.
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