Layug, I. F. (2012). Layug-Obien family support scale. University of the Philippines Diliman Extension Program in Pampanga.
Citazione stile Chigago Style (17a edizione)Layug, Ingrid Frances. Layug-Obien Family Support Scale. Pampanga: University of the Philippines Diliman Extension Program in Pampanga, 2012.
Citatione MLA (9a ed.)Layug, Ingrid Frances. Layug-Obien Family Support Scale. University of the Philippines Diliman Extension Program in Pampanga, 2012.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.