Johnston, J. M., & Pennypacker, H. S. (1993). Readings for strategies and tactics of behavioral research (2nd. ed.). Lawrence Erlbaum.
Cita Chicago Style (17a ed.)Johnston, James M., y H. S. Pennypacker. Readings for Strategies and Tactics of Behavioral Research. 2nd. ed. Hillsdale [etc.]: Lawrence Erlbaum, 1993.
Cita MLA (9a ed.)Johnston, James M., y H. S. Pennypacker. Readings for Strategies and Tactics of Behavioral Research. 2nd. ed. Lawrence Erlbaum, 1993.
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