Hyman, L. H. (1959). Invertebrates, Vol.5: Smaller coelomate groups chaetognatha, hemichordata, pogonophora, phoronida, ectoprocta, brachiopoda sipunculida the coelomate bilateria.
Chicago Edition CitationHyman, Libbie Henrietta. Invertebrates, Vol.5: Smaller Coelomate Groups Chaetognatha, Hemichordata, Pogonophora, Phoronida, Ectoprocta, Brachiopoda Sipunculida the Coelomate Bilateria. McGraw-Hill Book Co., New York, 1959.
MLA Edition CitationHyman, Libbie Henrietta. Invertebrates, Vol.5: Smaller Coelomate Groups Chaetognatha, Hemichordata, Pogonophora, Phoronida, Ectoprocta, Brachiopoda Sipunculida the Coelomate Bilateria. 1959.
Warning: These citations may not always be 100% accurate.