Παραπομπή APA

Galbraith, J. K. (1971). Economics, Peace and laughter, a contemporary guide, and by Andrea D William. Penguin.

Παραπομπή Chicago Style

Galbraith, John Kenneth. Economics, Peace and Laughter, a Contemporary Guide, and by Andrea D William. Middlesex: Penguin, 1971.

Παραπομπή MLA

Galbraith, John Kenneth. Economics, Peace and Laughter, a Contemporary Guide, and by Andrea D William. Penguin, 1971.