Barrow, J. D. (1992). Pi in the sky: Counting, thinking, and being (First edition. pbk. edition.). Little Brown and Company.
Цитирование в стиле Чикаго (17-е изд.)Barrow, John D. Pi in the Sky: Counting, Thinking, and Being. First edition. pbk. edition. Boston: Little Brown and Company, 1992.
Цитирование MLA (9-е изд.)Barrow, John D. Pi in the Sky: Counting, Thinking, and Being. First edition. pbk. edition. Little Brown and Company, 1992.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.