Template:Gordon, 2009c
- Gordon, D.P. 2009. 14. Phylum Kamptozoa: nodding animals, entoprocts, goblet worms. Pp. 298–301 in: Gordon, D.P. (ed.). 2009. New Zealand inventory of biodiversity. Volume 1. Kingdom Animalia. Radiata, Lophotrochozoa, Deuterostomia. Canterbury University Press: Christchurch, New Zealand. ISBN 978-1-87725772-8. Reference page.