Não informado. (2002). Registered Holstein Type-Production Sire Summaries. Holstein Friesian Association of America.
Cita Chicago Style (17a ed.)Não informado. Registered Holstein Type-Production Sire Summaries. Brattleboro, Vt: Holstein Friesian Association of America, 2002.
Cita MLA (8a ed.)Não informado. Registered Holstein Type-Production Sire Summaries. Holstein Friesian Association of America, 2002.
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