Lua APA (7ú heag.)

Clark, G., & Geographers, A. o. A. (1981). The employment relation and spatial division of labor: A hypothesis. Routledge.

Lua i Stíl Chicago (17ú heag.)

Clark, G., agus Association of American Geographers. The Employment Relation and Spatial Division of Labor: A Hypothesis. Routledge, 1981.

Lua MLA (9ú heag.)

Clark, G., agus Association of American Geographers. The Employment Relation and Spatial Division of Labor: A Hypothesis. Routledge, 1981.

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