Não informado. (1911). Proceedings of the Helminthological Society of Washington. Helminthological Society of Washington.
Chicago-viite (17. p.)Não informado. Proceedings of the Helminthological Society of Washington. Washington: Helminthological Society of Washington, 1911.
MLA-viite (8. p.)Não informado. Proceedings of the Helminthological Society of Washington. Helminthological Society of Washington, 1911.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.