Wiersma, W. (1995). Research methods in education: An introduction (6th ed.). Allyn and Bacon.
Citación estilo ChicagoWiersma, William. Research Methods in Education: An Introduction. 6th ed. Boston: Allyn and Bacon, 1995.
Cita MLAWiersma, William. Research Methods in Education: An Introduction. 6th ed. Allyn and Bacon, 1995.
Warning: These citations may not always be 100% accurate.