APA-čujuhus (7. p.)
ebrary, Inc, Azbar, N., & Levin, D. B. (2012). State of the art and progress in production of biohydrogen. Bentham eBooks.
Chicago-čujuhus (17. p.)
ebrary, Inc, Nuri Azbar, juo David B. Levin. State of the Art and Progress in Production of Biohydrogen. [Dubai, United Arab Emirates]: Bentham eBooks, 2012.
MLA-čujuhus (9. p.)
ebrary, Inc, et al. State of the Art and Progress in Production of Biohydrogen. Bentham eBooks, 2012.
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