APA-ийн эшлэл(7 дахь хэвлэлт)

Kett, J. F. (1994). The pursuit of knowledge under difficulties: From self improvement to adult education in america,1750-1990. Stanford University Press.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Kett, Joseph F. The Pursuit of Knowledge Under Difficulties: From Self Improvement to Adult Education in America,1750-1990. California: Stanford University Press, 1994.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Kett, Joseph F. The Pursuit of Knowledge Under Difficulties: From Self Improvement to Adult Education in America,1750-1990. Stanford University Press, 1994.