Rouhe, E. O., & Luukkanen, E. (1980). Elsa: Sweet singer of Finland. Pacific Press.
Lua i Stíl Chicago (17ú heag.)Rouhe, E. Olavi, agus Elsa Luukkanen. Elsa: Sweet Singer of Finland. Mountain View, CA: Pacific Press, 1980.
Lua MLA (9ú heag.)Rouhe, E. Olavi, agus Elsa Luukkanen. Elsa: Sweet Singer of Finland. Pacific Press, 1980.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.