Copeland, M. J. (1971). Biostratigraphy of some early middle silurian Ostracoda, eastern Canada: Additional siluriam arthropoda from Arctic and eastern Canada. [Geological Survey of Canada].
Chicago-Zitierstil (17. Ausg.)Copeland, M. J. Biostratigraphy of Some Early Middle Silurian Ostracoda, Eastern Canada: Additional Siluriam Arthropoda from Arctic and Eastern Canada. Ottawa: [Geological Survey of Canada], 1971.
MLA-Zitierstil (9. Ausg.)Copeland, M. J. Biostratigraphy of Some Early Middle Silurian Ostracoda, Eastern Canada: Additional Siluriam Arthropoda from Arctic and Eastern Canada. [Geological Survey of Canada], 1971.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.