Jentink, F. A. (1891). On the Malayan and Papuan Pigs in the Leyden Museum. Zenodo.
Cita Chicago (17th ed.)Jentink, F A. On the Malayan and Papuan Pigs in the Leyden Museum. Zenodo, 1891.
Cita MLA (9th ed.)Jentink, F A. On the Malayan and Papuan Pigs in the Leyden Museum. Zenodo, 1891.
Atenció: Aquestes cites poden no estar 100% correctes.