APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (8e ed.) Bronvermelding

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