Gaya APA
Hafidhuddin, D., Tanjung, H. (2006).
Shariah Principles On Management In Practice .
Jakarta_:
Gema Insani Publishing.
Gaya MLA
Hafidhuddin, Didin., Tanjung, Hendri.
"Shariah Principles On Management In Practice".
Jakarta_:
Gema Insani Publishing,
2006.
Buku Teks.