ClaudeC.GaspartClaudeC., The Comoro Islands Since Independence : An Economic Appraisal, „Civilisations”, 29 (3/4), 1979, s. 305-306, JSTOR: 41802968(ang.).
Harris M. Lentz: Heads of States and Governments Since 1945. Hoboken: Taylor and Francis, 2014, s. 189. ISBN 978-1-134-26490-2. OCLC870226851. (ang.).
Harriet Joseph Ottenheimer: The Anthropology of Language: An Introduction to Linguistic Anthropology. Belmont: Wadsworth Cengage Learning, 2012, s. 141. ISBN 978-1-111-82885-1. OCLC809381851. (ang.).