Richards, P. (1981). Basic needs, poverty and government policies in Sri Lanka. International Labour Office.
Citace podle Chicago (17th ed.)Richards, Peter. Basic Needs, Poverty and Government Policies in Sri Lanka. Geneva: International Labour Office, 1981.
Citace podle MLA (9th ed.)Richards, Peter. Basic Needs, Poverty and Government Policies in Sri Lanka. International Labour Office, 1981.
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