Trask, P. D. (1930). Summary of results obtained to date by the American Petroleum Institute research investigation on the origin and environment of source sediments.
Chicago-Zitierstil (17. Ausg.)Trask, Parker Davies. Summary of Results Obtained to Date by the American Petroleum Institute Research Investigation on the Origin and Environment of Source Sediments. Tulsa, Okla, 1930.
MLA-Zitierstil (9. Ausg.)Trask, Parker Davies. Summary of Results Obtained to Date by the American Petroleum Institute Research Investigation on the Origin and Environment of Source Sediments. 1930.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.