Parr, F. W. (1938). How to study effectively: A guide to students in developing and improving habits of studying habits and learning. Prentice-Hall.
Čikaški stil citiranja (17. izdanje)Parr, Frank W. How to Study Effectively: A Guide to Students in Developing and Improving Habits of Studying Habits and Learning. New York: Prentice-Hall, 1938.
MLA način citiranja (9. izdanje)Parr, Frank W. How to Study Effectively: A Guide to Students in Developing and Improving Habits of Studying Habits and Learning. Prentice-Hall, 1938.
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