Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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

Attenzione: Queste citazioni potrebbero non essere precise al 100%.