Cita APA (7th ed.)

Alexander, J. W. (1963). Economic geography. Prentice-Hall,Inc.

Cita Chicago (17th ed.)

Alexander, John W. Economic Geography. Englewood Cliffs, New Jersey: Prentice-Hall,Inc, 1963.

Cita MLA (9th ed.)

Alexander, John W. Economic Geography. Prentice-Hall,Inc, 1963.