Sinunu, W. (2005). Life could be sweeter: 101 great ideas from around the world for living a more rewarding life. Marlowe and Company.
Citazione stile Chigago Style (17a edizione)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.
Citatione MLA (9a ed.)Sinunu, William. Life Could Be Sweeter: 101 Great Ideas from Around the World for Living a More Rewarding Life. Marlowe and Company, 2005.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.