APA-ийн эшлэл(7 дахь хэвлэлт)
ebrary, Inc, Doolan, G. T., & Wippel, J. F. (2012). The science of being as being: Metaphysical investigations. Catholic University of America Press.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)
ebrary, Inc, Gregory T. Doolan, ба John F. Wippel. The Science of Being as Being: Metaphysical Investigations. Washington, DC: Catholic University of America Press, 2012.
MLA -ийн эшлэл (9 дэх хэвлэлт)
ebrary, Inc, et al. The Science of Being as Being: Metaphysical Investigations. Catholic University of America Press, 2012.
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