APA-ийн эшлэл(7 дахь хэвлэлт)

ebrary, Inc, Clotfelter, C. T., & Rothschild, M. (1993). Studies of supply and demand in higher education. University of Chicago Press.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

ebrary, Inc, Charles T. Clotfelter, ба Michael Rothschild. Studies of Supply and Demand in Higher Education. Chicago, Ill.: University of Chicago Press, 1993.

MLA -ийн эшлэл (9 дэх хэвлэлт)

ebrary, Inc, et al. Studies of Supply and Demand in Higher Education. University of Chicago Press, 1993.