APA
Petroleum Committee, International Labor Organization. Petroleum Committee, . (1950). General report prepared : first item on the agenda. Geneva: International Labour Office.
Chicago
Petroleum Committee, International Labor Organization. Petroleum Committee, . 1950. General report prepared : first item on the agenda. Geneva: International Labour Office.
Harvard
Petroleum Committee, International Labor Organization. Petroleum Committee, . (1950). General report prepared : first item on the agenda. Geneva: International Labour Office.
MLA
Petroleum Committee, International Labor Organization. Petroleum Committee, . General report prepared : first item on the agenda. Geneva: International Labour Office. 1950.