Donald L Bath & Frank N Dickinson. (1977). Dairy cattle: Principles practices,problems,profits (2 nd.). Lea & febiger.
シカゴスタイル引用形Donald L Bath , Frank N Dickinson. Dairy Cattle: Principles Practices,problems,profits. 2 nd. Lea & febiger, 1977.
MLA引用形式Donald L Bath , Frank N Dickinson. Dairy Cattle: Principles Practices,problems,profits. 2 nd. Lea & febiger, 1977.
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