Cita APA (7th ed.)

GUNNARSSON, J. (1977). Production Systems and hierarchies of centres: The relationship between spatial and economic structures. Martinus Nijhoff.

Cita Chicago (17th ed.)

GUNNARSSON, Jan. Production Systems and Hierarchies of Centres: The Relationship Between Spatial and Economic Structures. Leiden: Martinus Nijhoff, 1977.

Cita MLA (9th ed.)

GUNNARSSON, Jan. Production Systems and Hierarchies of Centres: The Relationship Between Spatial and Economic Structures. Martinus Nijhoff, 1977.