APA citiranje
Olson, S. F. (1998). Open horizons (1st University of Minnesota ed.). University of Minnesota Press.
Chicago Style (17th ed.) Citation
Olson, Sigurd F. Open Horizons. 1st University of Minnesota ed. Minneapolis: University of Minnesota Press, 1998.
MLA citiranje
Olson, Sigurd F. Open Horizons. 1st University of Minnesota ed. University of Minnesota Press, 1998.
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