Cita APA (7a ed.)
(Jan 9, 2014). 18 Free E-Books On Software Engineering! EFYTimes.com.
Cita Chicago Style (17a ed.)
"18 Free E-Books On Software Engineering!" EFYTimes.com Jan 9, 2014.
Cita MLA (9a ed.)
"18 Free E-Books On Software Engineering!" EFYTimes.com, Jan 9, 2014.
Precaución: Estas citas no son 100% exactas.