ماخذ: Rivers of Light. For 2 Solo Voices, SSAATTBBB choir, and Jew's Harp in C. Score. 2013. Eriks Esenvalds. Choir sheet music.
ترجمه: رودخانه ها از نور. Candace Savage, Kari Kaila, Charles Francis Hall, William Reed, and Fridtjof Nansen. صفحه موسیقی گروه کر.
