Gaya APA

SCARBOROUGH, N, M., CORNWALL, J, R. (2019). Essentials of Entrepreneurship and Small Business Management (9). USA: Pearson Education International.

Gaya MLA

SCARBOROUGH, NORMAN, M.., CORNWALL, JEFFREY, R.. "Essentials of Entrepreneurship and Small Business Management". 9 USA: Pearson Education International, 2019. Text.