APA-ийн эшлэл(7 дахь хэвлэлт)

Vernon, M. D. (1971). Reading and its difficulties: A psychological study. C.U.pr..

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Vernon, M. D. Reading and Its Difficulties: A Psychological Study. Cambridge: C.U.pr., 1971.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Vernon, M. D. Reading and Its Difficulties: A Psychological Study. C.U.pr., 1971.