Παραπομπή σε μορφή APA (7η εκδ.)

Podgornov, N. (2012). Nicolai Podgornov's The Seasons: 12 easy to intermediate pieces for piano solo / Nicolai Podgornov. Universal Ed..

Παραπομπή σε μορφή Chicago (17η εκδ.)

Podgornov, Nicolai. Nicolai Podgornov's The Seasons: 12 Easy to Intermediate Pieces for Piano Solo / Nicolai Podgornov. Wien: Universal Ed., 2012.

Παραπομπή σε μορφή MLA (8th εκδ.)

Podgornov, Nicolai. Nicolai Podgornov's The Seasons: 12 Easy to Intermediate Pieces for Piano Solo / Nicolai Podgornov. Universal Ed., 2012.