APA Style
Ekotama, S., Paksi, Y, J. (2010).
Cara Gampang Bikin Standard Operating Procedure .
Yogyakarta:
Penerbit Media Pressindo.
MLA Style
Ekotama, Suryono., Paksi, Yopi, Jalu.
"Cara Gampang Bikin Standard Operating Procedure".
Yogyakarta:
Penerbit Media Pressindo,
2010.
Text.