APA aipamena

Ryszard Praszkier, A. N. (2012). Social Entrepreneurship (1.). Cambridge University Press.

Chicago Style aipamena

Ryszard Praszkier, Andrzej Nowak. Social Entrepreneurship. 1. Cambridge University Press, 2012.

MLA aipamena

Ryszard Praszkier, Andrzej Nowak. Social Entrepreneurship. 1. Cambridge University Press, 2012.