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 Robert F. Peck
 
 Díaz-Guerrero, Rogelio; Peck, Robert F. (1967): Style of confrontation and approach: an investigation program [Style of confrontation and approach: an investigation program]. R. interam. Psicol. 1(2), 127-136 (esp.). 
 
 Peck, Robert F. (1967): A comparison of the value systems of mexican and american youth [A comparison of the value systems of mexican and american youth]. R. interam. Psicol. 1(1), 41-50 (eng.).