Ab. Razak Dan. (1981). Economies of scale in road haulage. The University of Leeds.
Chicago Style (17th ed.) CitationAb. Razak Dan. Economies of Scale in Road Haulage. Leeds: The University of Leeds, 1981.
MLA引文Ab. Razak Dan. Economies of Scale in Road Haulage. The University of Leeds, 1981.
警告:这些引文格式不一定是100%准确.