el- sayed, a. (1964). l' impot d' education propoition a conmenter. the institute of national planning.
Chicago Style (17th ed.) Citationel- sayed, atef. L' Impot D' Education Propoition a Conmenter. cairo: the institute of national planning, 1964.
MLA引文el- sayed, atef. L' Impot D' Education Propoition a Conmenter. the institute of national planning, 1964.
警告：這些引文格式不一定是100％准確.