APA Style

Center, M, D, M. ([s.a.]). Prosedur standar operasional penanggulangan bencana Muhammadiyah . [s.l.]: Muhammadiyah Disaster Management Center.

MLA Style

Center, Muhammadiyah, Disaster, Management. "Prosedur standar operasional penanggulangan bencana Muhammadiyah". [s.l.]: Muhammadiyah Disaster Management Center, [s.a.]. Teks.