Não informado. (2002). Registered Holstein Type-Production Sire Summaries. Holstein Friesian Association of America.
Style de citation Chicago (17e éd.)Não informado. Registered Holstein Type-Production Sire Summaries. Brattleboro, Vt: Holstein Friesian Association of America, 2002.
Style de citation MLA (8e éd.)Não informado. Registered Holstein Type-Production Sire Summaries. Holstein Friesian Association of America, 2002.
Attention : ces citations peuvent ne pas être correctes à 100%.