Gaya APA
MM, I, M, A, S, N.
().
Kewirausahaan Berbasis Spiritual
.
2006:
Kayon.
Gaya MLA
MM, Ir., Muh., Awal, Satrio, Nugroho,.
"Kewirausahaan Berbasis Spiritual".
2006:
Kayon,
.
Text.