Cita APA (7th ed.)

Crane, F. G. (2013). Marketing for Entrepreneurs (2nd.). SAGE.

Cita Chicago (17th ed.)

Crane, Frederick G. Marketing for Entrepreneurs. 2nd. London: SAGE, 2013.

Cita MLA (9th ed.)

Crane, Frederick G. Marketing for Entrepreneurs. 2nd. SAGE, 2013.