Gaya APA

Ekotama, S. (2010). Cara Gampang Bikin Standard Operating Procedure (Cet. 1). Yogyakarta: Media Pressindo.

Gaya MLA

Ekotama, Suryono. "Cara Gampang Bikin Standard Operating Procedure". Cet. 1 Yogyakarta: Media Pressindo, 2010. Buku.