Dyfyniad APA

MASSER, I. (1978). Spatial representation and spatial interaction. Martinus Nijhoff.

Dyfyniad Arddull Chicago

MASSER, Ian. Spatial Representation and Spatial Interaction. Leiden: Martinus Nijhoff, 1978.

Dyfyniad MLA

MASSER, Ian. Spatial Representation and Spatial Interaction. Martinus Nijhoff, 1978.

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