Podgornov, N. (2012). Nicolai Podgornov's The Seasons: 12 easy to intermediate pieces for piano solo / Nicolai Podgornov. Universal Ed..
Čikaški stil citiranja (17. izdanje)Podgornov, Nicolai. Nicolai Podgornov's The Seasons: 12 Easy to Intermediate Pieces for Piano Solo / Nicolai Podgornov. Wien: Universal Ed., 2012.
MLA način citiranja (8. izdanje)Podgornov, Nicolai. Nicolai Podgornov's The Seasons: 12 Easy to Intermediate Pieces for Piano Solo / Nicolai Podgornov. Universal Ed., 2012.
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