Brenchley, P. J., Skevington, D., & Harper, J. C. (1967). Lower Ordovician shelly and graptolitic faunas from south-eastern Ireland. Royal Irish Acad.
Chicago-Zitierstil (17. Ausg.)Brenchley, Patrick J., David Skevington, und J. C. Harper. Lower Ordovician Shelly and Graptolitic Faunas from South-eastern Ireland. Dublin: Royal Irish Acad, 1967.
MLA-Zitierstil (9. Ausg.)Brenchley, Patrick J., et al. Lower Ordovician Shelly and Graptolitic Faunas from South-eastern Ireland. Royal Irish Acad, 1967.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.