Gibson, D. W. (1992). Stratigraphy and sedimentology of the Lower Cretaceous Hulcross and Boulder Creek formations, northeastern British Columbia.
Chicago-Zitierstil (17. Ausg.)Gibson, David W. Stratigraphy and Sedimentology of the Lower Cretaceous Hulcross and Boulder Creek Formations, Northeastern British Columbia. Ottawa, 1992.
MLA-Zitierstil (9. Ausg.)Gibson, David W. Stratigraphy and Sedimentology of the Lower Cretaceous Hulcross and Boulder Creek Formations, Northeastern British Columbia. 1992.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.