ডঃ মুহম্মদ এশাল. (1960). Economy and organization of industrial: Enterprises. Pr.
Chicago Style (17th ed.) Citationডঃ মুহম্মদ এশাল. Economy and Organization of Industrial: Enterprises. Sofia: Pr, 1960.
MLA引文ডঃ মুহম্মদ এশাল. Economy and Organization of Industrial: Enterprises. Pr, 1960.
警告：這些引文格式不一定是100％准確.