Valdez, E. (2013). Tourism as key to economic development. The Sunday Times.
Chicagoスタイル(17版)引用形式Valdez, Euden. "Tourism as Key to Economic Development." The Sunday Times 2013.
MLA(9版)引用形式Valdez, Euden. "Tourism as Key to Economic Development." The Sunday Times, 2013.
警告: この引用は必ずしも正確ではありません.