Viñals, M. J., Teruel, L., & Bernabé, A. (1999). Natural spaces and tourism. European perspective.
シカゴスタイル引用形Viñals, María José, Lola Teruel, , Antonio Bernabé. Natural Spaces and Tourism. European Perspective. 1999.
MLA引用形式Viñals, María José, Lola Teruel, , Antonio Bernabé. Natural Spaces and Tourism. European Perspective. 1999.
警告: この引用は必ずしも正確ではありません.