APA استشهاد

Siropolis, N. (1998). Entrepreneurship and small business management (6th ed.). Houghton Miffin co..

استشهاد بنمط شيكاغو

Siropolis, Nicholas. Entrepreneurship and Small Business Management. 6th ed. Boston: Houghton Miffin co., 1998.

MLA استشهاد

Siropolis, Nicholas. Entrepreneurship and Small Business Management. 6th ed. Houghton Miffin co., 1998.