Association of Geology Teachers (U.S.) & National Association of Geology Teachers. (1995). Journal of geological education. Association of Geology Teachers.
Цитирование в стиле Чикаго (17-е изд.)Association of Geology Teachers (U.S.) и National Association of Geology Teachers. Journal of Geological Education. [Appleton, Wis.]: Association of Geology Teachers, 1995.
Цитирование MLA (9-е изд.)Association of Geology Teachers (U.S.) и National Association of Geology Teachers. Journal of Geological Education. Association of Geology Teachers, 1995.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.