Cita APA (7a ed.)

(2004). British Gas Case Study: Generating Custom Through Online Advertising. Marketline.

Cita Chicago Style (17a ed.)

British Gas Case Study: Generating Custom Through Online Advertising. Marketline, 2004.

Cita MLA (8a ed.)

British Gas Case Study: Generating Custom Through Online Advertising. Marketline, 2004.

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