APA-ийн эшлэл(7 дахь хэвлэлт)

Gilbert, B. (2004). Natural coincidence: The trip from Kalamazoo. University of Michigan Press.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Gilbert, Bil. Natural Coincidence: The Trip from Kalamazoo. Ann Arbor: University of Michigan Press, 2004.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Gilbert, Bil. Natural Coincidence: The Trip from Kalamazoo. University of Michigan Press, 2004.