Cita APA (7a ed.)

Riddell, R. (1992). Zimbabwe to 1996: At the heart of a growing region. Economist Intelligence Unit.

Cita Chicago Style (17a ed.)

Riddell, Roger. Zimbabwe to 1996: At the Heart of a Growing Region. London: Economist Intelligence Unit, 1992.

Cita MLA (9a ed.)

Riddell, Roger. Zimbabwe to 1996: At the Heart of a Growing Region. Economist Intelligence Unit, 1992.