Cita APA (7th ed.)

Isard, W. (1998). Methods of interregional and regional analysis. Ashgate.

Cita Chicago (17th ed.)

Isard, Walter. Methods of Interregional and Regional Analysis. Aldershot: Ashgate, 1998.

Cita MLA (9th ed.)

Isard, Walter. Methods of Interregional and Regional Analysis. Ashgate, 1998.