Chaverri Polini, A., Martínez, R., Juarrero, C., & Castillo, H. (1999). Importance, status and perspectives of environmental interpretation. The cases of Costa Rica and Cuba.
استشهاد بنمط شيكاغوChaverri Polini, Adelaida, Rosendo Martínez, Cristina Juarrero, و Henry Castillo. Importance, Status and Perspectives of Environmental Interpretation. The Cases of Costa Rica and Cuba. 1999.
MLA استشهادChaverri Polini, Adelaida, Rosendo Martínez, Cristina Juarrero, و Henry Castillo. Importance, Status and Perspectives of Environmental Interpretation. The Cases of Costa Rica and Cuba. 1999.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.