Παραπομπή APA

Vanhanen, T. (1992). On the evolutionary roots of politics.

Παραπομπή Chicago Style

Vanhanen, Tatu. On the Evolutionary Roots of Politics. New Delhi, Sterling publishers, 1992.

Παραπομπή MLA

Vanhanen, Tatu. On the Evolutionary Roots of Politics. 1992.