Wal, D. v. d., & Snouck Hargronje, C. (2011). Christiaan Snouck Hurgronje: The first western photographer in Mecca, 1884-1885.
Chicago-Zitierstil (17. Ausg.)Wal, Durkje van der, 与 Christiaan Snouck Hargronje. Christiaan Snouck Hurgronje: The First Western Photographer in Mecca, 1884-1885. Amsterdam, 2011.
MLA-Zitierstil (8. Ausg.)Wal, Durkje van der, 与 Christiaan Snouck Hargronje. Christiaan Snouck Hurgronje: The First Western Photographer in Mecca, 1884-1885. 2011.
警告：这些引文格式不一定是100％准确.