Berg, D. W., & Duane, D. B. (1968). Effect of particle size and distribution on stability of artificially filled beach, Presque Isle Peninsula, Pennsylvania. U.S. Coastal Engineering Research Center.
芝加哥风格引文Berg, Dennis W., 与 David B. Duane. Effect of Particle Size and Distribution on Stability of Artificially Filled Beach, Presque Isle Peninsula, Pennsylvania. [Washington]: U.S. Coastal Engineering Research Center, 1968.
MLA引文Berg, Dennis W., 与 David B. Duane. Effect of Particle Size and Distribution on Stability of Artificially Filled Beach, Presque Isle Peninsula, Pennsylvania. U.S. Coastal Engineering Research Center, 1968.
警告：这些引文格式不一定是100％准确.