(1980). Petroleum committee: Nine session, Geneva, 1980: General report. Geneva, Switzerland: International Labour Office.
Chicago-stil citatPetroleum Committee: Nine Session, Geneva, 1980: General Report. Geneva, Switzerland: International Labour Office, 1980.
MLA-referensPetroleum Committee: Nine Session, Geneva, 1980: General Report. Geneva, Switzerland: International Labour Office, 1980.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.