Wal, D. v. d., & Snouck Hargronje, C. (2011). Christiaan Snouck Hurgronje: The first western photographer in Mecca, 1884-1885.
Citazione stile Chigago Style (17a edizione)Wal, Durkje van der, e Christiaan Snouck Hargronje. Christiaan Snouck Hurgronje: The First Western Photographer in Mecca, 1884-1885. Amsterdam, 2011.
Citatione MLA (8a ed.)Wal, Durkje van der, e Christiaan Snouck Hargronje. Christiaan Snouck Hurgronje: The First Western Photographer in Mecca, 1884-1885. 2011.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.