Gaya APA

Seybold, Patricia. (1998). Customer.com . United States: Time Business.

Gaya Chicago

Seybold, Patricia. Customer.com. United States: Time Business, 1998. Text.

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Seybold, Patricia. Customer.com. United States: Time Business, 1998. Text.

Gaya Turabian

Seybold, Patricia. Customer.com. United States: Time Business, 1998. Print.