International Labour Office. (1969). Introduction to work study/2e (2nd ed.). International Labour Office.
Chicago-стиль цитированияInternational Labour Office. Introduction to Work Study/2e. 2nd ed. Geneva: International Labour Office, 1969.
MLA-цитированиеInternational Labour Office. Introduction to Work Study/2e. 2nd ed. International Labour Office, 1969.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.