APA-viite (7. p.)

(1981). Crops now insured against disasters; starting with policy. Bulletin Today.

Chicago-viite (17. p.)

"Crops Now Insured Against Disasters; Starting with Policy." Bulletin Today 1981.

MLA-viite (9. p.)

"Crops Now Insured Against Disasters; Starting with Policy." Bulletin Today, 1981.

Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.