Baucells, M., & Sarin, R. (2012). Engineering happiness: A new approach for building a joyful life. University of California Press.
Cóipeáladh chuig an ngearrthaisce go rathúil é
Níorbh fhéidir cóipeáil chuig an ngearrthaisce
Lua i Stíl Chicago (17ú heag.)
Baucells, Manel, agus Rakesh Sarin. Engineering Happiness: A New Approach for Building a Joyful Life. Berkeley: University of California Press, 2012.
Cóipeáladh chuig an ngearrthaisce go rathúil é
Níorbh fhéidir cóipeáil chuig an ngearrthaisce
Lua MLA (9ú heag.)
Baucells, Manel, agus Rakesh Sarin. Engineering Happiness: A New Approach for Building a Joyful Life. University of California Press, 2012.
Cóipeáladh chuig an ngearrthaisce go rathúil é
Níorbh fhéidir cóipeáil chuig an ngearrthaisce
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.