APA-čujuhus (7. p.)
Saeed, S. H., & Sharma, D. K. (2012). Non-conventional energy resources (3rd ed.). S.K.Kataria & Sons.
Chicago-čujuhus (17. p.)
Saeed, S. Hasan, juo D. K. Sharma. Non-conventional Energy Resources. 3rd ed. New Delhi: S.K.Kataria & Sons, 2012.
MLA-čujuhus (9. p.)
Saeed, S. Hasan, juo D. K. Sharma. Non-conventional Energy Resources. 3rd ed. S.K.Kataria & Sons, 2012.
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