Gaya APA

Subekti, I. (2019). Sistem manajemen mutu = quality management system (Ed. I, cet. 1). Yogyakarta: Expert.

Gaya MLA

Subekti, Imam. "Sistem manajemen mutu = quality management system". Ed. I, cet. 1 Yogyakarta: Expert, 2019. Text.