Middleton, V. T. C., & Hawkins, R. (1998). Sustainable Tourism: A Marketing Perspective (1ed. st.). Butterworth-Heinemann.
Chicagoスタイル(17版)引用形式Middleton, Victor T. C., , Rebecca Hawkins. Sustainable Tourism: A Marketing Perspective. 1ed. st. Oxford: Butterworth-Heinemann, 1998.
MLA(9版)引用形式Middleton, Victor T. C., , Rebecca Hawkins. Sustainable Tourism: A Marketing Perspective. 1ed. st. Butterworth-Heinemann, 1998.
警告: この引用は必ずしも正確ではありません.