Finklea, B. (2009). Drupal 6 search engine optimization: Rank high in search engines with professional SEO tips, modules, and best practices for Drupal web sites. Packt Publishing.
Citace podle Chicago (17th ed.)Finklea, Ben. Drupal 6 Search Engine Optimization: Rank High in Search Engines with Professional SEO Tips, Modules, and Best Practices for Drupal Web Sites. Birmingham, UK: Packt Publishing, 2009.
Citace podle MLA (9th ed.)Finklea, Ben. Drupal 6 Search Engine Optimization: Rank High in Search Engines with Professional SEO Tips, Modules, and Best Practices for Drupal Web Sites. Packt Publishing, 2009.
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