University of the Philippines Diliman. Information Technology Training Center, Salvio, S. J., Carreon, M., Rivera, R., & Chopitea, G. (2012). Search engines optimization. DZUP.
Citazione stile Chigago Style (17a edizione)University of the Philippines Diliman. Information Technology Training Center, Sarah Joy Salvio, Mario Carreon, Rafaela Rivera, e Gromico Chopitea. Search Engines Optimization. Quezon City: DZUP, 2012.
Citatione MLA (9a ed.)University of the Philippines Diliman. Information Technology Training Center, et al. Search Engines Optimization. DZUP, 2012.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.