How do I obtain a copy of my invoice?

 
How do I obtain a copy of my invoice?
The original invoice will be sent to the billing address through first class mail. To obtain another copy, after the initial invoice mailing, we can e-mail, fax, or mail it to you.
Please contact customer service at 1-800-521-0600 extension 72873 or email core_service@proquest.com.

Customers outside the U.S. and Canada should call +800 4997 4111
International Free Phone Number Country List or  +1.734.761.4700 ext. 72825.
Email: core_service@proquest.com.