Columba, M. (1926). A study of interests and their relations to other factors of achievement in the elementary school subjects. Catholic Education Press.
Cytowanie według stylu Chicago (wyd. 17)Columba, Mary. A Study of Interests and Their Relations to Other Factors of Achievement in the Elementary School Subjects. Washington, D.C.: Catholic Education Press, 1926.
Cytowanie według stylu MLA (wyd. 8)Columba, Mary. A Study of Interests and Their Relations to Other Factors of Achievement in the Elementary School Subjects. Catholic Education Press, 1926.
Uwaga: Te cytaty mogą odróżniać się od wytycznej twojego fakultetu..