APA-čujuhus (7. p.)
Sharma, D. Non-conventional energy resources / Saeed, S.H: S.K.Kataria 621.042 Sa127.
Chicago-čujuhus (17. p.)
Sharma, D.K. Non-conventional Energy Resources / Saeed, S.H: S.K.Kataria 621.042 Sa127.
MLA-čujuhus (9. p.)
Sharma, D.K. Non-conventional Energy Resources / Saeed, S.H: S.K.Kataria 621.042 Sa127.
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