Kristensen, T. (1960). The economic world balance. Copenhagen: Munksgaard.
Trích dẫn kiểu ChicagoKristensen, Thorkil. The Economic World Balance. Copenhagen: Munksgaard, 1960.
MLA引文Kristensen, Thorkil. The Economic World Balance. Copenhagen: Munksgaard, 1960.
警告：这些引文格式不一定是100％准确.