Não informado. (2007). Report of the Division of the Agriculture. Iowa State College, Division of the Agriculture.
Čikaški stil citiranja (17. izdanje)Não informado. Report of the Division of the Agriculture. Ames, Iowa: Iowa State College, Division of the Agriculture, 2007.
MLA način citiranja (8. izdanje)Não informado. Report of the Division of the Agriculture. Iowa State College, Division of the Agriculture, 2007.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.