Παραπομπή σε μορφή APA (7η εκδ.)

the institute of national planning & El Wahab, N. S. (1998). A New Approach for Pricing Agricultural Land in Egypt Considering Policy reforms and environmental concepts. The Institute of National Planning.

Παραπομπή σε μορφή Chicago (17η εκδ.)

the institute of national planning και Nagwan S.Abd El Wahab. A New Approach for Pricing Agricultural Land in Egypt Considering Policy Reforms and Environmental Concepts. Cairo: The Institute of National Planning, 1998.

Παραπομπή σε μορφή MLA (9th εκδ.)

the institute of national planning και Nagwan S.Abd El Wahab. A New Approach for Pricing Agricultural Land in Egypt Considering Policy Reforms and Environmental Concepts. The Institute of National Planning, 1998.