| Citation | Zuo Wei, D.L. and T. Mundkur, 2004 Numbers and distribution of waterbirds and wetlands in the Asia-Pacific region. Results of the Asian Waterbird Census: 1997-2001. Wetlands International. CG Print, Selangor, Malaysia 166 pp. |
| Ref. | 6975 Zuo Wei, D.L. and T. Mundkur, 2004 |
| Page | |
| Named Used as Valid | Sterna sumatrana |
| Locality | |
| Distribution | Vietnam. |