International Labour Office, International Labour Organisation, & Szakszervezetek Orszagos Tanacsa. (1967). Course on dust prevention in industry, Budapest, October 1964. International Labour Office.
Citazione stile Chigago Style (17a edizione)International Labour Office, International Labour Organisation, e Szakszervezetek Orszagos Tanacsa. Course on Dust Prevention in Industry, Budapest, October 1964. Geneva: International Labour Office, 1967.
Citatione MLA (8a ed.)International Labour Office, et al. Course on Dust Prevention in Industry, Budapest, October 1964. International Labour Office, 1967.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.