APA-viite

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

Chicago-tyylinen lähdeviittaus

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

MLA-viite

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