Jaffe, B. (2014). CSS3 Dropdown Menus (1st edition.). Infinite Skills.
Cita Chicago Style (17a ed.)Jaffe, Ben. CSS3 Dropdown Menus. 1st edition. Infinite Skills, 2014.
Cita MLA (9a ed.)Jaffe, Ben. CSS3 Dropdown Menus. 1st edition. Infinite Skills, 2014.
Precaución: Estas citas no son 100% exactas.
