Smith, P. C. (1981). Population pressure and social response on the Ilocos Coast in the Philippines. East-West Population Institute.
Citace podle Chicago (17th ed.)Smith, Peter Colin. Population Pressure and Social Response on the Ilocos Coast in the Philippines. Honolulu, Hawaii: East-West Population Institute, 1981.
Citace podle MLA (9th ed.)Smith, Peter Colin. Population Pressure and Social Response on the Ilocos Coast in the Philippines. East-West Population Institute, 1981.
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