Gaya APA

Katona, G., Burkhard, I, S. (1971). Aspirations and affluence comparative studies in the united states ì and western europe . New York: .

Gaya MLA

Katona, George., Burkhard, I., Strumpel,. "Aspirations and affluence comparative studies in the united states ì and western europe". New York: , 1971. Text.