Kirkpatrick, P. A., & Pugh, P. R. (1984). Siphonophores and velellids: Keys and notes for the identification of the species. The Linnean Society of London.
Citace podle Chicago (17th ed.)Kirkpatrick, P. A., a P. R. Pugh. Siphonophores and Velellids: Keys and Notes for the Identification of the Species. Londres: The Linnean Society of London, 1984.
Citace podle MLA (9th ed.)Kirkpatrick, P. A., a P. R. Pugh. Siphonophores and Velellids: Keys and Notes for the Identification of the Species. The Linnean Society of London, 1984.
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