Puffer, R. R. (1950). Practical statistics in health and medical work. McGraw-Hill.
Цитирование в стиле Чикаго (17-е изд.)Puffer, Ruth Rice. Practical Statistics in Health and Medical Work. New York: McGraw-Hill, 1950.
Цитирование MLA (9-е изд.)Puffer, Ruth Rice. Practical Statistics in Health and Medical Work. McGraw-Hill, 1950.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.