Lam, N. S. N., & De Cola, L. (1993). Fractals in geography. PTR Prentice Hall.
芝加哥风格引文Lam, Nina Siu Ngan, 与 Lee De Cola. Fractals in Geography. Englewood Cliffs, N.J: PTR Prentice Hall, 1993.
MLA引文Lam, Nina Siu Ngan, 与 Lee De Cola. Fractals in Geography. PTR Prentice Hall, 1993.
警告：这些引文格式不一定是100％准确.