Alfonso, P., Martínez Cruz, M., Canet, C., Delgado, H., Fernández, E., & Sáenz, W. (2015). Sulphur isotopic composition of volcanic gases from Poás and Turrialba volcanoes, Costa Rica.
استشهاد بنمط شيكاغوAlfonso, P., María Martínez Cruz, C. Canet, H. Delgado, Erick Fernández, و Wendy Sáenz. Sulphur Isotopic Composition of Volcanic Gases From Poás and Turrialba Volcanoes, Costa Rica. 2015.
MLA استشهادAlfonso, P., et al. Sulphur Isotopic Composition of Volcanic Gases From Poás and Turrialba Volcanoes, Costa Rica. 2015.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.