Gaya APA
An-Nawawi, I. (1985).
Competetive advantage: creating and sustaining superior performance .
Sulawesi Barat:
Tradisi Ilmu Sdn. Bhd.
Gaya MLA
An-Nawawi, Imam.
"Competetive advantage: creating and sustaining superior performance".
Sulawesi Barat:
Tradisi Ilmu Sdn. Bhd,
1985.
Text.