Gaya APA

Ekotama, S., Paksi, Y, J. (2010). Cara Gampang Bikin Standard Operating Procedure . Yogyakarta: Media Pressindo.

Gaya MLA

Ekotama, Suryono., Paksi, Yopi, Jalu. "Cara Gampang Bikin Standard Operating Procedure". Yogyakarta: Media Pressindo, 2010. Text.