Petroleum Exploration Society of Libya, & Williams, J. J. (1966). South-Central Libya and Northern Chad: A guidebook to the geology and prehistory. [Tripoli]: Petroleum Exploration Society of Libya.
Chicago Style CitationPetroleum Exploration Society of Libya, and James J. Williams. South-Central Libya and Northern Chad: A Guidebook to the Geology and Prehistory. [Tripoli]: Petroleum Exploration Society of Libya, 1966.
MLA CitationPetroleum Exploration Society of Libya, and James J. Williams. South-Central Libya and Northern Chad: A Guidebook to the Geology and Prehistory. [Tripoli]: Petroleum Exploration Society of Libya, 1966.