APA-referens (7:e uppl.)

Baker, A. N. (1983). A new apatopygid echinoid genus from New Zealand (Echinodermata: Cassiduloida). National Museum of New Zealand.

Chicago-referens (17:e uppl.)

Baker, A. N. A New Apatopygid Echinoid Genus from New Zealand (Echinodermata: Cassiduloida). Wellington: National Museum of New Zealand, 1983.

MLA-referens (8:e uppl.)

Baker, A. N. A New Apatopygid Echinoid Genus from New Zealand (Echinodermata: Cassiduloida). National Museum of New Zealand, 1983.