Sinunu, W. (2005). Life could be sweeter: 101 great ideas from around the world for living a more rewarding life. Marlowe and Company.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)Sinunu, William. Life Could Be Sweeter: 101 Great Ideas from Around the World for Living a More Rewarding Life. New York: Marlowe and Company, 2005.
MLA -ийн эшлэл (9 дэх хэвлэлт)Sinunu, William. Life Could Be Sweeter: 101 Great Ideas from Around the World for Living a More Rewarding Life. Marlowe and Company, 2005.
Анхааруулга: Эдгээр ишлэлүүд үргэлж 100% үнэн зөв биш байж магадгүй.