Petarnella, L., Silveira, A., & Machado, N. S. (2017). Environmental Education and Sustainability: Reflections in a Management Context. Universidade Nove de Julho.
Chicago-стиль цитированияPetarnella, Leandro, Amélia Silveira, and Nelson Santos Machado. Environmental Education and Sustainability: Reflections in a Management Context. Universidade Nove de Julho, 2017.
MLA-цитированиеPetarnella, Leandro, Amélia Silveira, and Nelson Santos Machado. Environmental Education and Sustainability: Reflections in a Management Context. Universidade Nove de Julho, 2017.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.