LLOYD, P. E., & DICKEN, P. (1977). Location in space: A theoritical approach to economic geography.-- ed.2. Harper and Row.
Lua i Stíl Chicago (17ú heag.)LLOYD, Peter E., agus Peter DICKEN. Location in Space: A Theoritical Approach to Economic Geography.-- Ed.2. London: Harper and Row, 1977.
Lua MLA (9ú heag.)LLOYD, Peter E., agus Peter DICKEN. Location in Space: A Theoritical Approach to Economic Geography.-- Ed.2. Harper and Row, 1977.
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