Παραπομπή σε μορφή APA (7η εκδ.)

Lange, G., & Hassan, R. M. (2006). The economics of water management in Southern Africa: An environmental accounting approach. Northampton.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Lange, Glenn-Marie, και Rashid M. Hassan. The Economics of Water Management in Southern Africa: An Environmental Accounting Approach. Cheltenham: Northampton, 2006.

Παραπομπή σε μορφή MLA (9th εκδ.)

Lange, Glenn-Marie, και Rashid M. Hassan. The Economics of Water Management in Southern Africa: An Environmental Accounting Approach. Northampton, 2006.