Metcalf, . M. M. (1919). The Salpidae collected by the United States fisheries steamer "Albatross" in Philippine waters during the years 1908 and 1909. Government Printing Office.
Cytowanie według stylu Chicago (wyd. 17)Metcalf, Maynard M. The Salpidae Collected by the United States Fisheries Steamer "Albatross" in Philippine Waters During the Years 1908 and 1909. Washington, D.C: Government Printing Office, 1919.
Cytowanie według stylu MLA (wyd. 9)Metcalf, Maynard M. The Salpidae Collected by the United States Fisheries Steamer "Albatross" in Philippine Waters During the Years 1908 and 1909. Government Printing Office, 1919.
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