Food and Agriculture Organization of the United Nations, African Training Centre for Agricultural Statistics, Ibadan, Nigeria, & Hodnett, G. E. (1953). Course on statistical methods for methods surveys. s.n.
Lua i Stíl Chicago (17ú heag.)Food and Agriculture Organization of the United Nations, Ibadan African Training Centre for Agricultural Statistics, agus G. E. Hodnett. Course on Statistical Methods for Methods Surveys. Rome: s.n, 1953.
Lua MLA (9ú heag.)Food and Agriculture Organization of the United Nations, et al. Course on Statistical Methods for Methods Surveys. s.n, 1953.
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