APA Style

Barringer, B, R., Parker, D. (2009). Preparing effective business plans : an entrepreneurial approach 2nd edition (Pearson International Edition). USA: Pearson.

MLA Style

Barringer, Bruce, R., Parker, David. "Preparing effective business plans : an entrepreneurial approach 2nd edition". Pearson International Edition USA: Pearson, 2009. Koleksi Buku Teks.