| Type |  Book |
| ชื่อเรื่อง | Ethics on the ark : zoos, animal welfare, and wildlife conservation / edited by Bryan G. Norton ... [et al.] ; with assistance from John Wuichet |
| ISBN | 1560986891 |
| พิมพลักษณ์ | Washington, D.C. : Smithsonian Institution Press, c1995 |
| รูปเล่ม | xxvi, 330 p. : ill. ; 24 cm |
| หัวเรื่อง | Animal welfare --Congresses [] |
| | Captive wild animals --Breeding --Moral and ethical aspects --Congresses [] |
| | Wildlife conservation --Congresses [] |
| | Zoo animals --Congresses [] |
| | Zoos --Philosophy --Congresses [] |