APA stil citiranja
Warfield, G. (1984). Solar electric systems: Solar electric systems. Washington: Hemisphere Pub. Corp.
Chicago stil citiranjaWarfield, George. Solar electric systems: Solar electric systems. Washington: Hemisphere Pub. Corp, 1984.
MLA stil citiranjaWarfield, George. Solar electric systems: Solar electric systems. Washington: Hemisphere Pub. Corp, 1984.
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