Donaldson, P. (1973). Economics of the real world. London: British Broadcasting Corporation and Penguin Books.
Trích dẫn kiểu ChicagoDonaldson, Peter. Economics of the Real World. London: British Broadcasting Corporation and Penguin Books, 1973.
ציטוט MLADonaldson, Peter. Economics of the Real World. London: British Broadcasting Corporation and Penguin Books, 1973.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.