Báez, A., & Valverde, F. (1999). Keys to the success of ecotourism projects with community participation. The Costa Rican case of the sky walk - sky trek.
シカゴスタイル引用形Báez, Ana, , Fernando Valverde. Keys to the Success of Ecotourism Projects With Community Participation. The Costa Rican Case of the Sky Walk - Sky Trek. 1999.
MLA引用形式Báez, Ana, , Fernando Valverde. Keys to the Success of Ecotourism Projects With Community Participation. The Costa Rican Case of the Sky Walk - Sky Trek. 1999.
警告: この引用は必ずしも正確ではありません.