Trích dẫn APA

HUff, W. (1994). The economic growth of Singapore: Trade and development in the twentieth century. University preess.

Trích dẫn kiểu Chicago

HUff, W.G. The Economic Growth of Singapore: Trade and Development in the Twentieth Century. Camebridge: University preess, 1994.

Trích dẫn MLA

HUff, W.G. The Economic Growth of Singapore: Trade and Development in the Twentieth Century. University preess, 1994.

Cảnh báo: Các trích dẫn này có thể không phải lúc nào cũng chính xác 100%.