APA-čujuhus (7. p.)
Saeed, S. H., & Sharma, D. K. (2018). Non-conventional energy resources (4th ed.). S.K. Kataria.
Chicago-čujuhus (17. p.)
Saeed, S. Hasaan, juo D. K. Sharma. Non-conventional Energy Resources. 4th ed. New Delhi: S.K. Kataria, 2018.
MLA-čujuhus (9. p.)
Saeed, S. Hasaan, juo D. K. Sharma. Non-conventional Energy Resources. 4th ed. S.K. Kataria, 2018.
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