Não informado. (1929). Ayrshire Cattle Society journal. Ayrshire Cattle Herd Book Society.
Style de citation Chicago (17e éd.)Não informado. Ayrshire Cattle Society Journal. Ayr, Escocia: Ayrshire Cattle Herd Book Society, 1929.
Style de citation MLA (8e éd.)Não informado. Ayrshire Cattle Society Journal. Ayrshire Cattle Herd Book Society, 1929.
Attention : ces citations peuvent ne pas être correctes à 100%.