Gaya APA
Praja, D, I., Yulianto, D.
(2011).
The Miracle of Probiotics
.
Jogjakarta:
Diva Press.
Gaya MLA
Praja, Denny, Indra., Yulianto, Dion.
"The Miracle of Probiotics".
Jogjakarta:
Diva Press,
2011.
Text.