Mezinárodní organizace práce. Stone masonry: labour-intensive special public works programmes. Geneva: International Labour Office, 1991. 83 s. Training element and technical guide for SPWP workers; no. 2.
International Labour Organization, U. N. D. P. (1991). Stone masonry: Labour-intensive special public works programmes. Geneva: International Labour Office.
Styl ChicagoInternational Labour Organization, United Nations Development Programme. Stone Masonry: Labour-intensive Special Public Works Programmes. Geneva: International Labour Office, 1991.
Citace podle MLAInternational Labour Organization, United Nations Development Programme. Stone Masonry: Labour-intensive Special Public Works Programmes. Geneva: International Labour Office, 1991.
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