POUGH, F. H., JANIS, C., & HEISER, J. B. (1999). Vertebrate life.-- Ed.5. Prentice Hall.
Chicago-čujuhus (17. p.)POUGH, F. Harvey, Christine JANIS, juo John B. HEISER. Vertebrate Life.-- Ed.5. New Jersey: Prentice Hall, 1999.
MLA-čujuhus (9. p.)POUGH, F. Harvey, et al. Vertebrate Life.-- Ed.5. Prentice Hall, 1999.
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