APA

Oele J. A., Nederlanse Aardolie Maatschappij, World Petroleum Congress (15th. : 1997 : Beijing) & Nederlanse Aardolie Maatschappij.A case history from the Northeast Netherlands rotliegend gas province. : .

Chicago

Oele Jan A, Nederlanse Aardolie Maatschappij, World Petroleum Congress (15th. : 1997 : Beijing) and Nederlanse Aardolie Maatschappij.A case history from the Northeast Netherlands rotliegend gas province. : .

Harvard

Oele J. A., Nederlanse Aardolie Maatschappij, World Petroleum Congress (15th. : 1997 : Beijing) and Nederlanse Aardolie Maatschappij.A case history from the Northeast Netherlands rotliegend gas province. : .

MLA

Oele Jan A, Nederlanse Aardolie Maatschappij, World Petroleum Congress (15th. : 1997 : Beijing) and Nederlanse Aardolie Maatschappij.: . .