Nichols, J. E. (1957). Livestock improvement in relation to heredity and environment (4th ed.). Oliver and Boyd.
Chicagoスタイル(17版)引用形式Nichols, J. E. Livestock Improvement in Relation to Heredity and Environment. 4th ed. Edinburgh [Lothian]: Oliver and Boyd, 1957.
MLA(8版)引用形式Nichols, J. E. Livestock Improvement in Relation to Heredity and Environment. 4th ed. Oliver and Boyd, 1957.
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