Day, J. (1993). Small business in tough times: How to survive and prosper. Pfeiffer.
Cita Chicago (17th ed.)Day, John. Small Business in Tough Times: How to Survive and Prosper. Amsterdam: Pfeiffer, 1993.
Cita MLA (9th ed.)Day, John. Small Business in Tough Times: How to Survive and Prosper. Pfeiffer, 1993.
Atenció: Aquestes cites poden no estar 100% correctes.