Não informado. (1967). Irish Journal of Agricultural Economics and Rural Sociology. An Foras Taluntais.
Lua i Stíl Chicago (17ú heag.)Não informado. Irish Journal of Agricultural Economics and Rural Sociology. Dublin: An Foras Taluntais, 1967.
Lua MLA (8ú heag.)Não informado. Irish Journal of Agricultural Economics and Rural Sociology. An Foras Taluntais, 1967.
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