Gaya APA

TON, V, Z. (2012). The Sphere Project: Humanitarian Charter and Minimum Standards in Humanitarian Response (CET I). JAKARTA: MU 3 BOOKS.

Gaya MLA

TON, VAN, ZUTPHEN. "The Sphere Project: Humanitarian Charter and Minimum Standards in Humanitarian Response". CET I JAKARTA: MU 3 BOOKS, 2012. Text.