APA-čujuhus (7. p.)
Gupta, V. K. (2014). Bioenergy research: Advances and applications. Elsevier.
Chicago-čujuhus (17. p.)
Gupta, Vijai K. Bioenergy Research: Advances and Applications. Waltham, MA: Elsevier, 2014.
MLA-čujuhus (9. p.)
Gupta, Vijai K. Bioenergy Research: Advances and Applications. Elsevier, 2014.
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