LLOYD, P. E., & DICKEN, P. (1977). Location in space: A theoritical approach to economic geography.-- ed.2. Harper and Row.
芝加哥风格引文LLOYD, Peter E., 与 Peter DICKEN. Location in Space: A Theoritical Approach to Economic Geography.-- Ed.2. London: Harper and Row, 1977.
MLA引文LLOYD, Peter E., 与 Peter DICKEN. Location in Space: A Theoritical Approach to Economic Geography.-- Ed.2. Harper and Row, 1977.
警告：这些引文格式不一定是100％准确.