Cita APA (7th ed.)

Kreibich, V., & Olima, W. H. (2002). Urban land management in Africa. Spring-Center, University of Dortmund.

Cita Chicago (17th ed.)

Kreibich, Volker, i Washington H.A Olima. Urban Land Management in Africa. Dortmund, Germany: Spring-Center, University of Dortmund, 2002.

Cita MLA (9th ed.)

Kreibich, Volker, i Washington H.A Olima. Urban Land Management in Africa. Spring-Center, University of Dortmund, 2002.