Balasingam, A. S., & Ma, Y. Asian tourism sustainability.
Chicagoスタイル(17版)引用形式Balasingam, Ann Selvaranee, , Yue Ma. Asian Tourism Sustainability.
MLA(9版)引用形式Balasingam, Ann Selvaranee, , Yue Ma. Asian Tourism Sustainability.
警告: この引用は必ずしも正確ではありません.