James, N. P., & Stevens, R. K. (1986). Stratigraphy and correlation of the Cambro-Ordovician Cow Head Group, western Newfoundland. Canadian Government Publ. Centre.
Chicago-Zitierstil (17. Ausg.)James, Noel P., und Robert K. Stevens. Stratigraphy and Correlation of the Cambro-Ordovician Cow Head Group, Western Newfoundland. Ottawa: Canadian Government Publ. Centre, 1986.
MLA-Zitierstil (9. Ausg.)James, Noel P., und Robert K. Stevens. Stratigraphy and Correlation of the Cambro-Ordovician Cow Head Group, Western Newfoundland. Canadian Government Publ. Centre, 1986.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.