APA-ийн эшлэл(7 дахь хэвлэлт)

Hughes, G. (2011). A more beautiful question: The spiritual in poetry and art. University of Missouri Press.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Hughes, Glenn. A More Beautiful Question: The Spiritual in Poetry and Art. Columbia, Mo.: University of Missouri Press, 2011.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Hughes, Glenn. A More Beautiful Question: The Spiritual in Poetry and Art. University of Missouri Press, 2011.