Gaya APA

Spuler, B. (1994). the Mongol period: history of the muslim world / Bertold Spuler; with a new introduction by Arthur N. Waldron . : Markus Wiener Publishers.

Gaya MLA

Spuler, Bertold. "the Mongol period: history of the muslim world / Bertold Spuler; with a new introduction by Arthur N. Waldron". : Markus Wiener Publishers, 1994. Referensi.