Παραπομπή APA

Tipple, A. G., & Willis, K. G. (1991). Housing the poor in the developing world: Methods of analysis, case studies and policy. London: Routledge.

Παραπομπή Chicago Style

Tipple, A. Graham, and Kenneth G. Willis. Housing the Poor in the Developing World: Methods of Analysis, Case Studies and Policy. London: Routledge, 1991.

Παραπομπή MLA

Tipple, A. Graham, and Kenneth G. Willis. Housing the Poor in the Developing World: Methods of Analysis, Case Studies and Policy. London: Routledge, 1991.

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