Styl cytowania APA

Freytag, A., & Thurik, R. (2010). Entrepreneurship and culture. Springer.

Styl cytowania Chicago

Freytag, Andreas, i Roy.,ed.by Thurik. Entrepreneurship and Culture. Berlin: Springer, 2010.

Styl cytowania MLA

Freytag, Andreas, i Roy.,ed.by Thurik. Entrepreneurship and Culture. Springer, 2010.