International Labour Office. (1965). Maternity protection: A world survey of national law and practice. s.n.
Cita Chicago Style (17a ed.)International Labour Office. Maternity Protection: A World Survey of National Law and Practice. Geneva: s.n, 1965.
Cita MLA (9a ed.)International Labour Office. Maternity Protection: A World Survey of National Law and Practice. s.n, 1965.
Precaución: Estas citas no son 100% exactas.