Παραπομπή σε μορφή APA (7η εκδ.)

Howell, P. P., & Allan, J. A. (1996). The Nile: Sharing a scarce resource: an historical and technical review of water management and of economic and legal issues. Cambridge University Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Howell, P. P., και J. A. Allan. The Nile: Sharing a Scarce Resource: An Historical and Technical Review of Water Management and of Economic and Legal Issues. Cambridge: Cambridge University Press, 1996.

Παραπομπή σε μορφή MLA (9th εκδ.)

Howell, P. P., και J. A. Allan. The Nile: Sharing a Scarce Resource: An Historical and Technical Review of Water Management and of Economic and Legal Issues. Cambridge University Press, 1996.