| Trích dẫn | NFMS, 2009 Our Living Oceans. Report on the status of U.S. living marine resources, 6th edition. U.S. Dep. Commer., NOAA Tech. Memo. NMFS-F/SPO-80, 369 p. |
| Tài liệu tham khảo | 115127 NFMS, 2009 |
| Trang | 372 |
| Named Used as Valid | Phoca largha |
| Địa phương | |
| Distribution | Alaska. |