HAGGETT, P. (1983). Geography: A modern synthesis (3rd ed.). Harper and Row.
Cita Chicago (17th ed.)HAGGETT, Peter. Geography: A Modern Synthesis. 3rd ed. New York: Harper and Row, 1983.
Cita MLA (9th ed.)HAGGETT, Peter. Geography: A Modern Synthesis. 3rd ed. Harper and Row, 1983.
Atenció: Aquestes cites poden no estar 100% correctes.