APA (7th ed.) Citation

Van Dalen, D. B. (1979). Understanding educational research: An introduction (Fourth edition.). McGraw-Hill Book Company.

Chicago Style (17th ed.) Citation

Van Dalen, Deobold B. Understanding Educational Research: An Introduction. Fourth edition. New York [i pozostałe]: McGraw-Hill Book Company, 1979.

MLA (9th ed.) Citation

Van Dalen, Deobold B. Understanding Educational Research: An Introduction. Fourth edition. McGraw-Hill Book Company, 1979.