APA citiranje

William Wiersma. (1991). Research methods in education: An introduction (5th.). Allyn and Bacon.

Chicago Edition Citation

William Wiersma. Research Methods in Education: An Introduction. 5th. Boston: Allyn and Bacon, 1991.

MLA citiranje

William Wiersma. Research Methods in Education: An Introduction. 5th. Allyn and Bacon, 1991.

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