Valença, L. M. M. (2003). An overview on Callovian-Cenomanian intracratonic basins of Northeast Brazil: Onshore stratrigraphic record of the opening of the southern Atlantic. Universitat de Barcelona.
Chicago-Zitierstil (17. Ausg.)Valença, L. M. M. An Overview on Callovian-Cenomanian Intracratonic Basins of Northeast Brazil: Onshore Stratrigraphic Record of the Opening of the Southern Atlantic. Universitat de Barcelona, 2003.
MLA-Zitierstil (9. Ausg.)Valença, L. M. M. An Overview on Callovian-Cenomanian Intracratonic Basins of Northeast Brazil: Onshore Stratrigraphic Record of the Opening of the Southern Atlantic. Universitat de Barcelona, 2003.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.