International Symposium on the Horizons of Using Organic Matter and Substrates in Horticulture al-Qāhira. (2003). Proceedings of the International Symposium on the Horizons of Using Organic Matter and Substrates in Horticulture: CLAC, ARC Cairo, Egypt, 6 - 9 April, 2002. ISHS.
Chicago-Zitierstil (17. Ausg.)International Symposium on the Horizons of Using Organic Matter and Substrates in Horticulture al-Qāhira. Proceedings of the International Symposium on the Horizons of Using Organic Matter and Substrates in Horticulture: CLAC, ARC Cairo, Egypt, 6 - 9 April, 2002. Leuven: ISHS, 2003.
MLA-Zitierstil (9. Ausg.)International Symposium on the Horizons of Using Organic Matter and Substrates in Horticulture al-Qāhira. Proceedings of the International Symposium on the Horizons of Using Organic Matter and Substrates in Horticulture: CLAC, ARC Cairo, Egypt, 6 - 9 April, 2002. ISHS, 2003.