Cagasan, J. L. P. (2006). Belief in superstition and belief in luck questionnaire. University of the Philippines Diliman Extension Program in Pampanga.
Citazione stile Chigago Style (17a edizione)Cagasan, Jr. Louie P. Belief in Superstition and Belief in Luck Questionnaire. Pampanga: University of the Philippines Diliman Extension Program in Pampanga, 2006.
Citatione MLA (9a ed.)Cagasan, Jr. Louie P. Belief in Superstition and Belief in Luck Questionnaire. University of the Philippines Diliman Extension Program in Pampanga, 2006.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.