(1980). Petroleum committee: Nine session, Geneva, 1980: Working conditions and working environment in the petroleum industry, including offshore activities. Geneva, Switzerland: International Labour Office.
Chicago-tyylinen lähdeviittausPetroleum Committee: Nine Session, Geneva, 1980: Working Conditions and Working Environment in the Petroleum Industry, Including Offshore Activities. Geneva, Switzerland: International Labour Office, 1980.
MLA-viitePetroleum Committee: Nine Session, Geneva, 1980: Working Conditions and Working Environment in the Petroleum Industry, Including Offshore Activities. Geneva, Switzerland: International Labour Office, 1980.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.