Chua, J. L. (2012). Laughter yoga: LOL your way to wellness. Cruising.
Lua i Stíl Chicago (17ú heag.)Chua, Johannes L. "Laughter Yoga: LOL Your Way to Wellness." Cruising 2012.
Lua MLA (9ú heag.)Chua, Johannes L. "Laughter Yoga: LOL Your Way to Wellness." Cruising, 2012.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.