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शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रInstitut pochvovedeni︠i︡a i fotosinteza (Akademi︠i︡a nauk SSSR), Nauchnyĭ ︠t︡sentr plodorodi︠i︡a pochv (Czechoslovakia), Juraj Hraško, और V. I. Kefeli. Povedenie Poll︠i︡utantov V Pochvakh I Landshaftakh: Sbornik Nauchnykh Trudov. Pushchino: Nauch. ︠t︡sentr biologicheskikh issl. AN SSSR, 1990.
एमएलए (8वां संस्करण) प्रशस्ति पत्रInstitut pochvovedeni︠i︡a i fotosinteza (Akademi︠i︡a nauk SSSR), et al. Povedenie Poll︠i︡utantov V Pochvakh I Landshaftakh: Sbornik Nauchnykh Trudov. Nauch. ︠t︡sentr biologicheskikh issl. AN SSSR, 1990.