Mehu, M., & Dunbar, R. (2008). Naturalistic observations of smiling and laughter in human group interactions. Brill.
Lua i Stíl Chicago (17ú heag.)Mehu, M., agus R. Dunbar. Naturalistic Observations of Smiling and Laughter in Human Group Interactions. Brill, 2008.
Lua MLA (9ú heag.)Mehu, M., agus R. Dunbar. Naturalistic Observations of Smiling and Laughter in Human Group Interactions. Brill, 2008.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.