APA aipamena

Ahmed, E. e. d. H. (1972). Fertiliser distribution in the Arab republic of Egypt. Paris: OECD.

Chicago Style aipamena

Ahmed, Ezz el din Hamman. Fertiliser Distribution in the Arab Republic of Egypt. Paris: OECD, 1972.

MLA aipamena

Ahmed, Ezz el din Hamman. Fertiliser Distribution in the Arab Republic of Egypt. Paris: OECD, 1972.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.