{{Cite book| publisher = Cambridge Scholars Publishing| pages = 58–71| editors = Tilo Grätz (ed.)| last = Leservoisier| first = Olivier| title = Mobility, Transnationalism and Contemporary African Societies| chapter = The Influence of Emigrants of Servile Origin on Social Renegotiation and Emancipation in the Haalpulaar Society (Mauritania)| location = Cambridge| date = 2010}}