Gaya APA
Scarborough, N, M., Zimmerer, T, W. (2005).
Essentials of entrepreneurship and small business management (Ed. 4).
:
Pearson Education.New Jersey.
Gaya MLA
Scarborough, Norman, M., Zimmerer, Thomas, W.
"Essentials of entrepreneurship and small business management ".
Ed. 4
:
Pearson Education.New Jersey,
2005.
Koleksi World Bank.