Lua APA (7ú heag.)

Siropolis, N. C. (1997). Entrepreneurship and small business management (6th ed.). Houghton Mifflin Co..

Lua i Stíl Chicago (17ú heag.)

Siropolis, Nicholas C. Entrepreneurship and Small Business Management. 6th ed. Boston: Houghton Mifflin Co., 1997.

Lua MLA (8ú heag.)

Siropolis, Nicholas C. Entrepreneurship and Small Business Management. 6th ed. Houghton Mifflin Co., 1997.

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