Warwick, D. P. Bitter pills population policies and their implementation in eight developing countries. Cambridge University Press.
Lua i Stíl Chicago (17ú heag.)Warwick, Donald P. Bitter Pills Population Policies and Their Implementation in Eight Developing Countries. Cambridge University Press.
Lua MLA (8ú heag.)Warwick, Donald P. Bitter Pills Population Policies and Their Implementation in Eight Developing Countries. Cambridge University Press.
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