APA-referens (7:e uppl.)

Bullock, N. (1971). Development of an activities model. University of Cambridge Department of Architecture.

Chicago-referens (17:e uppl.)

Bullock, Nicholas. Development of an Activities Model. Cambridge: University of Cambridge Department of Architecture, 1971.

MLA-referens (8:e uppl.)

Bullock, Nicholas. Development of an Activities Model. University of Cambridge Department of Architecture, 1971.

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