Pacific Tunicata of the United States National Museum
Tokioka, T. (1967). Pacific Tunicata of the United States National Museum. Bulletin of the United States National Museum, 251. Smithsonian Institution: Washington D.C.247 pp. https://dx.doi.org/10.5479/si.03629236.251.1
Deel van: Bulletin of the United States National Museum. Smithsonian Institution: Washington. ISSN 0362-9236, meer