Não informado. (1915). Ayrshire Digest. Ayrshire Breeders Association.
Style de citation Chicago (17e éd.)Não informado. Ayrshire Digest. Spencer, Mass: Ayrshire Breeders Association, 1915.
Style de citation MLA (8e éd.)Não informado. Ayrshire Digest. Ayrshire Breeders Association, 1915.
Attention : ces citations peuvent ne pas être correctes à 100%.