APA (7th ed.) Citation

GALL, M. D. (2002). Educational Research An Introduction. Alfabeta.

Chicago Style (17th ed.) Citation

GALL, Meredith D. Educational Research An Introduction. Alfabeta, 2002.

MLA (8th ed.) Citation

GALL, Meredith D. Educational Research An Introduction. Alfabeta, 2002.

Warning: These citations may not always be 100% accurate.