APA Style
Zarkasyi, M, R. (2011).
Virus entrepreneurship kyai 72 Prinsip Dan Wejangan KH. Imam Zarkasyi .
Jakarta:
Rene Book.
MLA Style
Zarkasyi, Muhammad, Ridlo.
"Virus entrepreneurship kyai 72 Prinsip Dan Wejangan KH. Imam Zarkasyi".
Jakarta:
Rene Book,
2011.
Text.