Clarke, D. H., & Clarke, H. H. (1970). Research processes in physical education, recreation, and health. Prentice-Hall.
Chicago Style (17. basım) AtıfClarke, David H., ve Henry Harrison Clarke. Research Processes in Physical Education, Recreation, and Health. Englewood Cliffs, N. J: Prentice-Hall, 1970.
MLA (9th ed.) AtıfClarke, David H., ve Henry Harrison Clarke. Research Processes in Physical Education, Recreation, and Health. Prentice-Hall, 1970.
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