APA-ийн эшлэл(7 дахь хэвлэлт)

DALEN, D. B. v., & MEYER, W. J. (1966). Understanding educational research: An introduction.--ed.Revisi. McGraw-Hill Book Company.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

DALEN, Deobold B. van, ба William J. MEYER. Understanding Educational Research: An Introduction.--ed.Revisi. New York: McGraw-Hill Book Company, 1966.

MLA -ийн эшлэл (9 дэх хэвлэлт)

DALEN, Deobold B. van, ба William J. MEYER. Understanding Educational Research: An Introduction.--ed.Revisi. McGraw-Hill Book Company, 1966.