Não informado. (1925). Fossil insects. British Museum of Natural History.
Chicago-viite (17. p.)Não informado. Fossil Insects. London: British Museum of Natural History, 1925.
MLA-viite (8. p.)Não informado. Fossil Insects. British Museum of Natural History, 1925.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.