Cita APA (7a ed.)

Barrow, C. (1993). The essence of small business. Prentice hall.

Cita Chicago Style (17a ed.)

Barrow, Colin. The Essence of Small Business. New York [etc.]: Prentice hall, 1993.

Cita MLA (9a ed.)

Barrow, Colin. The Essence of Small Business. Prentice hall, 1993.