(1999). Annual Report 1998: Iowa State University Extension. Leading Iowa into the 21st century.
Style de citation Chicago (17e éd.)Annual Report 1998: Iowa State University Extension. Leading Iowa into the 21st Century. 1999.
Style de citation MLA (9e éd.)Annual Report 1998: Iowa State University Extension. Leading Iowa into the 21st Century. 1999.
Attention : ces citations peuvent ne pas être correctes à 100%.