| Type | Book |
| Title | World population prospects 2004: analytical report |
| Publication (Day/Month/Year) | 2006 |
| Publisher | United Nations Publications |
| URL | http://books.google.ca/books?hl=en&lr;=&id=8CEQFUdD2skC&oi=fnd&pg=PR3&ots=Ehs-oplN1Y&sig=Nc-HUW7eCDifpuDW0cIbGMrA3IQ |
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