एपीए उद्धरण

International Labour Office. (1969). Introduction to work study/2e (2nd ed.). International Labour Office.

शिकागो स्टाइल उद्धरण

International Labour Office. Introduction to Work Study/2e. 2nd ed. Geneva: International Labour Office, 1969.

एमएलए उद्धरण

International Labour Office. Introduction to Work Study/2e. 2nd ed. International Labour Office, 1969.