APA-viite (7. p.)

Não informado. (2007). Report of the Division of the Agriculture. Iowa State College, Division of the Agriculture.

Chicago-viite (17. p.)

Não informado. Report of the Division of the Agriculture. Ames, Iowa: Iowa State College, Division of the Agriculture, 2007.

MLA-viite (8. p.)

Não informado. Report of the Division of the Agriculture. Iowa State College, Division of the Agriculture, 2007.

Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.