APA-viite (7. p.)

Wrigley's 5 Gum Case Study: Remaining Competitive in the Gum Market Through a Multi-Sensory Offering. MarketLine, a Progressive Digital Media business.

Chicago-viite (17. p.)

Wrigley's 5 Gum Case Study: Remaining Competitive in the Gum Market Through a Multi-Sensory Offering. MarketLine, a Progressive Digital Media business.

MLA-viite (9. p.)

Wrigley's 5 Gum Case Study: Remaining Competitive in the Gum Market Through a Multi-Sensory Offering. MarketLine, a Progressive Digital Media business.

Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.