Hyman, L. H. (1993). The Invertebrates. CBS Publishers & Distributors.
Chicago Style (17th ed.) ZitazioaHyman, Libbie Henrietta. The Invertebrates. Delhi, India: CBS Publishers & Distributors, 1993.
MLA (9th ed.) ZitazioaHyman, Libbie Henrietta. The Invertebrates. CBS Publishers & Distributors, 1993.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.