Howell, J. V. (1948). Structure of typical American oil fields. The American Association of Petroleum Geologists.
Chicago-Zitierstil (17. Ausg.)Howell, J. V. Structure of Typical American Oil Fields. Oklahoma, U.S.A: The American Association of Petroleum Geologists, 1948.
MLA-Zitierstil (9. Ausg.)Howell, J. V. Structure of Typical American Oil Fields. The American Association of Petroleum Geologists, 1948.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.