Gaya APA

SOEMOHADIWIDJOJO, A, T. (2015). Mudah Menyusun SOP; Standard Operating Procedure (cet.2). Jakarta: Penebar plus.

Gaya MLA

SOEMOHADIWIDJOJO, Arini, T.. "Mudah Menyusun SOP; Standard Operating Procedure". cet.2 Jakarta: Penebar plus, 2015. Text.