Curtis, M. (2001). Trade for life: Making trade work for poor people. Christian Life.
Citazione stile Chigago Style (17a edizione)Curtis, Mark. Trade for Life: Making Trade Work for Poor People. London: Christian Life, 2001.
Citatione MLA (9a ed.)Curtis, Mark. Trade for Life: Making Trade Work for Poor People. Christian Life, 2001.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.