Sapsford, D. (1981). Labour market economics. Allen & Unwin.
Cita Chicago Style (17a ed.)Sapsford, David. Labour Market Economics. London: Allen & Unwin, 1981.
Cita MLA (9a ed.)Sapsford, David. Labour Market Economics. Allen & Unwin, 1981.
Precaución: Estas citas no son 100% exactas.