Siropolis, N. (1977). Small business management: A guide to entrepreneurship. Houghton Mifflin.
Cita Chicago (17th ed.)Siropolis, Nicholas. Small Business Management: A Guide to Entrepreneurship. Boston: Houghton Mifflin, 1977.
Cita MLA (9th ed.)Siropolis, Nicholas. Small Business Management: A Guide to Entrepreneurship. Houghton Mifflin, 1977.
Atenció: Aquestes cites poden no estar 100% correctes.