Kalalang, I. P. Z., & Engay, B. Q. (2012). Level of optimism on life satisfaction and achievement motivation of married working mothers in Angeles City. University of the Philippines Diliman Extension Program in Pampanga.
Lua i Stíl Chicago (17ú heag.)Kalalang, Irish Pauline Z., agus Bryan Q. Engay. Level of Optimism on Life Satisfaction and Achievement Motivation of Married Working Mothers in Angeles City. Pampanga: University of the Philippines Diliman Extension Program in Pampanga, 2012.
Lua MLA (9ú heag.)Kalalang, Irish Pauline Z., agus Bryan Q. Engay. Level of Optimism on Life Satisfaction and Achievement Motivation of Married Working Mothers in Angeles City. University of the Philippines Diliman Extension Program in Pampanga, 2012.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.