Coffman, F. (1966). SPECIAL ENGLISH AGRICULTURE BOOK II: FIELD CROPS. Callier-Macmillan, limited.
Chicagoスタイル(17版)引用形式Coffman, F.A. SPECIAL ENGLISH AGRICULTURE BOOK II: FIELD CROPS. Callier-Macmillan, limited, 1966.
MLA(8版)引用形式Coffman, F.A. SPECIAL ENGLISH AGRICULTURE BOOK II: FIELD CROPS. Callier-Macmillan, limited, 1966.
警告: この引用は必ずしも正確ではありません.