Mason, E. J., & Bramble William J. (1989). Understanding and conducting research: Applications in education and the behavioral sciences (2nd ed.). McGraw-Hill.
Cita Chicago (17th ed.)Mason, Emanuel J., i Bramble William J. Understanding and Conducting Research: Applications in Education and the Behavioral Sciences. 2nd ed. New York: McGraw-Hill, 1989.
Cita MLA (9th ed.)Mason, Emanuel J., i Bramble William J. Understanding and Conducting Research: Applications in Education and the Behavioral Sciences. 2nd ed. McGraw-Hill, 1989.
Atenció: Aquestes cites poden no estar 100% correctes.