APA (7th ed.) Zitazioa

Siropolis, N. (1977). Small business management: A guide to entrepreneurship. Houghton Mifflin.

Chicago Style (17th ed.) Zitazioa

Siropolis, Nicholas. Small Business Management: A Guide to Entrepreneurship. Boston: Houghton Mifflin, 1977.

MLA (9th ed.) Zitazioa

Siropolis, Nicholas. Small Business Management: A Guide to Entrepreneurship. Houghton Mifflin, 1977.