Dyfyniad APA

Lewis, D. G. (1967). Statistical methods in education. University of London Press.

Dyfyniad Arddull Chicago

Lewis, D. G. Statistical Methods in Education. London: University of London Press, 1967.

Dyfyniad MLA

Lewis, D. G. Statistical Methods in Education. University of London Press, 1967.

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