(1980). Petroleum committee: Nine session, Geneva, 1980: Working conditions and working environment in the petroleum industry, including offshore activities. Geneva, Switzerland: International Labour Office.
استشهاد بنمط شيكاغوPetroleum Committee: Nine Session, Geneva, 1980: Working Conditions and Working Environment in the Petroleum Industry, Including Offshore Activities. Geneva, Switzerland: International Labour Office, 1980.
MLA استشهادPetroleum Committee: Nine Session, Geneva, 1980: Working Conditions and Working Environment in the Petroleum Industry, Including Offshore Activities. Geneva, Switzerland: International Labour Office, 1980.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.