Singleton, W. T. (1972). Introduction to Ergonomics. World health organization.
Cita Chicago Style (17a ed.)Singleton, William Thomas. Introduction to Ergonomics. Geneva: World health organization, 1972.
Cita MLA (8a ed.)Singleton, William Thomas. Introduction to Ergonomics. World health organization, 1972.
Precaución: Estas citas no son 100% exactas.