Lei, R., Engberg, S.E., Andriantompohavana, R., McGuire, S.M., Mittermeier, R.A., Zaonarivelo, J.R., Brenneman, R.A. & Louis, E.E., Jr., Nocturnal Lemur Diversity at Masoala National Park (PDF) [collegamento interrotto], in Special Publications of the Museum of Texas Tech University, 2008; 53: 1-48.
Ramaromilanto B, Lei R, Engberg SE, Johnson SE, Sitzmann BD, and Louis EE, Sportive Lemur Diversity at Mananara-Nord Biosphere Reserve, Madagascar (PDF), in Occasional Papers of the Museum of Texas Tech University, 2009; 286: 1-22. URL consultato il 14 febbraio 2011 (archiviato dall'url originale il 3 aprile 2012).