Two Steps From Hell (Musical group), Capellen Orchestra & Choir, & Pololanik, P. (2012). Skyworld. Two Steps From Hell.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रTwo Steps From Hell (Musical group), Capellen Orchestra & Choir, और Petr Pololanik. Skyworld. [United States]: Two Steps From Hell, 2012.
एमएलए (8वां संस्करण) प्रशस्ति पत्रTwo Steps From Hell (Musical group), et al. Skyworld. Two Steps From Hell, 2012.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.