Dyfyniad APA

Kelley, V. H., & Greene, H. A. (1947). Better reading and study habits. World Book Company.

Dyfyniad Arddull Chicago

Kelley, Victor Harold, and Harry A. Greene. Better Reading and Study Habits. Yonkers-on-Hudson: World Book Company, 1947.

Dyfyniad MLA

Kelley, Victor Harold, and Harry A. Greene. Better Reading and Study Habits. World Book Company, 1947.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.