APA-referens (7:e uppl.)

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

Chicago-referens (17:e uppl.)

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

MLA-referens (9:e uppl.)

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

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