LLOYD, P. E., & DICKEN, P. (1977). Location in space: A theoritical approach to economic geography.-- ed.2. Harper and Row.
Cita Chicago (17th ed.)LLOYD, Peter E., i Peter DICKEN. Location in Space: A Theoritical Approach to Economic Geography.-- Ed.2. London: Harper and Row, 1977.
Cita MLA (9th ed.)LLOYD, Peter E., i Peter DICKEN. Location in Space: A Theoritical Approach to Economic Geography.-- Ed.2. Harper and Row, 1977.
Atenció: Aquestes cites poden no estar 100% correctes.