APA ציטוט

Friedman, M. (1979). Free to choose: A personal statement. London: Secker & Warburg.

Trích dẫn kiểu Chicago

Friedman, Milton. Free to Choose: A Personal Statement. London: Secker & Warburg, 1979.

ציטוט MLA

Friedman, Milton. Free to Choose: A Personal Statement. London: Secker & Warburg, 1979.