Παραπομπή APA

Duke, R. D. (1964). Gaming-simulation in urban research. East Lansing, MI: Michigan State University. Institute for Community Development and Services.

Παραπομπή Chicago Style

Duke, Richard D. Gaming-simulation in Urban Research. East Lansing, MI: Michigan State University. Institute for Community Development and Services, 1964.

Παραπομπή MLA

Duke, Richard D. Gaming-simulation in Urban Research. East Lansing, MI: Michigan State University. Institute for Community Development and Services, 1964.

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