APA-ийн эшлэл(7 дахь хэвлэлт)

Claassen, A. (2007). An inquiry into the philosophical foundations of the human sciences. P. Lang.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Claassen, Alfred. An Inquiry into the Philosophical Foundations of the Human Sciences. New York: P. Lang, 2007.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Claassen, Alfred. An Inquiry into the Philosophical Foundations of the Human Sciences. P. Lang, 2007.