Citazione Stile APA (7a Edizione)

hammam, e. e. d. (1962). planning in the u. a. r. in agriculture. the institute of national planning.

Citazione stile Chigago Style (17a edizione)

hammam, ezz el din. Planning in the U. a. R. in Agriculture. cairo: the institute of national planning, 1962.

Citatione MLA (9a ed.)

hammam, ezz el din. Planning in the U. a. R. in Agriculture. the institute of national planning, 1962.