Hartley Ballestero, M., & Hartley Ballestero, R. (2021). Valuation of the ecosystem services of recreation and tourism: A mechanism for the sustainable development of Forest Reserve Greece, Costa Rica.
استشهاد بنمط شيكاغوHartley Ballestero, Marjorie, و Rocío Hartley Ballestero. Valuation of the Ecosystem Services of Recreation and Tourism: A Mechanism for the Sustainable Development of Forest Reserve Greece, Costa Rica. 2021.
MLA استشهادHartley Ballestero, Marjorie, و Rocío Hartley Ballestero. Valuation of the Ecosystem Services of Recreation and Tourism: A Mechanism for the Sustainable Development of Forest Reserve Greece, Costa Rica. 2021.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.