Gaya APA
Ghani, M, A.
(2005).
The Spirituality in Business
(
Cetakan - 1)
.
Jakarta_:
Pena Pundi Aksara.
Gaya MLA
Ghani, Muhammad, Abdul.
"The Spirituality in Business".
Cetakan - 1
Jakarta_:
Pena Pundi Aksara,
2005.
Buku Teks.