Calumba, J. R., & Tiangco, C. F. (2013). Calumba- Panlilio need for cognition scale. University of the Philippines Diliman Extension Program in Pampanga.
Citace podle Chicago (17th ed.)Calumba, Jacklyn R., a Cristabel Fagela Tiangco. Calumba- Panlilio Need for Cognition Scale. Pampanga: University of the Philippines Diliman Extension Program in Pampanga, 2013.
Citace podle MLA (9th ed.)Calumba, Jacklyn R., a Cristabel Fagela Tiangco. Calumba- Panlilio Need for Cognition Scale. University of the Philippines Diliman Extension Program in Pampanga, 2013.
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