Beals,Ralph E. (1972). Statistics for economists: An introduction. Rand McNally College publishing Co.
Chicago-стиль цитированияBeals,Ralph E. Statistics for Economists: An Introduction. Chicago: Rand McNally College publishing Co, 1972.
MLA-цитированиеBeals,Ralph E. Statistics for Economists: An Introduction. Rand McNally College publishing Co, 1972.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.