(1999). Annual Report 1998: Iowa State University Extension. Leading Iowa into the 21st century.
Chicagoスタイル(17版)引用形式Annual Report 1998: Iowa State University Extension. Leading Iowa into the 21st Century. 1999.
MLA(9版)引用形式Annual Report 1998: Iowa State University Extension. Leading Iowa into the 21st Century. 1999.
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