APA-ийн эшлэл(7 дахь хэвлэлт)

Kitcher, P., & Schacht, R. (2004). Finding an ending: Reflections on Wagner's Ring. Oxford University Press.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Kitcher, Philip, ба Richard Schacht. Finding an Ending: Reflections on Wagner's Ring. Oxford ; New York: Oxford University Press, 2004.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Kitcher, Philip, ба Richard Schacht. Finding an Ending: Reflections on Wagner's Ring. Oxford University Press, 2004.