| সূত্র সংখ্যা | বর্ণনা | বৎসর | ব্যবহৃত নাম | পৃষ্ঠা |
|---|---|---|---|---|
| 55463 | Snoeks, J. (ed.), 2004. The cichlid diversity of Lake Malawi/Nyasa/Niassa: identification, distribution and taxonomy. Cichlid Press, El Paso, USA, 360p. | 2004 | Placidochromis orthognathus | 180;fig.33 |
| 55898 | Hanssens, M., 2004. The deep-water Placidochromis species. p. 104-197. In J. Snoeks (ed.) The cichlid diversity of Lake Malawi/Nyasa/Niassa: identification, distribution and taxonomy. Cichlid Press, El Paso, USA. | 2004 | Placidochromis orthognathus | 180;fig.33 |
| 79521 | Konings, A., 2007. Malawi cichlids in their natural habitat. 4th edition. Cichlid Press, El Paso, USA. 424p. | 2007 | Placidochromis orthognathus | 405;fig. |