Reichel, James D.; Lemke, Thomas O. (April 1994). "Ecology and Extinction of the Mariana Mallard". The Journal of Wildlife Management. 58 (2). Wiley: 199–205. doi:10.2307/3809380. JSTOR3809380.
Reichel, James D.; Lemke, Thomas O. (April 1994). "Ecology and Extinction of the Mariana Mallard". The Journal of Wildlife Management. 58 (2). Wiley: 199–205. doi:10.2307/3809380. JSTOR3809380.