Dooley, D. (1995). Social research methods (3rd ed.). Prentice Hall.
Cita Chicago Style (17a ed.)Dooley, David. Social Research Methods. 3rd ed. Englewood Cliffs, New Jersey: Prentice Hall, 1995.
Cita MLA (9a ed.)Dooley, David. Social Research Methods. 3rd ed. Prentice Hall, 1995.
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