Cita APA (7th ed.)

International Labour Office & Kanawaty, G. (1992). Introduction to work study (4th (rev.) ed.). International Labour Office.

Cita Chicago (17th ed.)

International Labour Office i George Kanawaty. Introduction to Work Study. 4th (rev.) ed. Geneva: International Labour Office, 1992.

Cita MLA (9th ed.)

International Labour Office i George Kanawaty. Introduction to Work Study. 4th (rev.) ed. International Labour Office, 1992.