Gaya APA

Sailendra, A., Swaesti, E. (2020). Langkah-Langkah Praktis Membuat SOP Standard Operating Procedures . Yogyakarta: Trans Idea Publishing.

Gaya MLA

Sailendra, Annie., Swaesti, Eista. "Langkah-Langkah Praktis Membuat SOP Standard Operating Procedures". Yogyakarta: Trans Idea Publishing, 2020. Text.