Mason, E. J., & Bramble William J. (1989). Understanding and conducting research: Applications in education and the behavioral sciences (2nd ed.). McGraw-Hill.
Citace podle Chicago (17th ed.)Mason, Emanuel J., a Bramble William J. Understanding and Conducting Research: Applications in Education and the Behavioral Sciences. 2nd ed. New York: McGraw-Hill, 1989.
Citace podle MLA (9th ed.)Mason, Emanuel J., a Bramble William J. Understanding and Conducting Research: Applications in Education and the Behavioral Sciences. 2nd ed. McGraw-Hill, 1989.
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