APA (7e ed.) Bronvermelding

Furfey, P. H. (1928). The measurement of developmental age. Catholic Education Press.

Chicago (17e ed.) Bronvermelding

Furfey, Paul Hanly. The Measurement of Developmental Age. Washington, D.C.: Catholic Education Press, 1928.

MLA (8e ed.) Bronvermelding

Furfey, Paul Hanly. The Measurement of Developmental Age. Catholic Education Press, 1928.