Cita APA (7th ed.)

Vernooy, R., & Kealey, K. M. (1994). Food systems under stress in Africa: African-canadian research cooperation. International Development Research Centre.

Cita Chicago (17th ed.)

Vernooy, Ronnie, i Katherine M. Kealey. Food Systems Under Stress in Africa: African-canadian Research Cooperation. Ottawa: International Development Research Centre, 1994.

Cita MLA (9th ed.)

Vernooy, Ronnie, i Katherine M. Kealey. Food Systems Under Stress in Africa: African-canadian Research Cooperation. International Development Research Centre, 1994.