Martinell Sempere, A. (2009). New perspectives on sustainability. Documenta Universitaria.
Chicagoスタイル(17版)引用形式Martinell Sempere, Alfons. New Perspectives on Sustainability. Girona: Documenta Universitaria, 2009.
MLA(9版)引用形式Martinell Sempere, Alfons. New Perspectives on Sustainability. Documenta Universitaria, 2009.
警告: この引用は必ずしも正確ではありません.