Carlsen, J., & Butler, R. (2011). Island tourism: Sustainable perspectives. CABI.
Chicagoスタイル(17版)引用形式Carlsen, Jack, , Richard Butler. Island Tourism: Sustainable Perspectives. Wallingford, Oxfordshire, [England]: CABI, 2011.
MLA(9版)引用形式Carlsen, Jack, , Richard Butler. Island Tourism: Sustainable Perspectives. CABI, 2011.
警告: この引用は必ずしも正確ではありません.