APA-čujuhus (7. p.)
Krudy, E., & Obolensky, A. A. (1976). Microbiology Abstracts: Sect. C, Vol. 5. Information Retrieval Ltd.
Chicago-čujuhus (17. p.)
Krudy, E.S, juo Alexandra A. Obolensky. Microbiology Abstracts: Sect. C, Vol. 5. London: Information Retrieval Ltd, 1976.
MLA-čujuhus (9. p.)
Krudy, E.S, juo Alexandra A. Obolensky. Microbiology Abstracts: Sect. C, Vol. 5. Information Retrieval Ltd, 1976.
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