Deprecated: Creation of dynamic property WhichBrowser\Analyser\Header\Useragent::$data is deprecated in /home/ftunma/public_html/e-library/plugins/visitorwebcounter/vendor/whichbrowser/parser/src/Analyser/Header/Useragent.php on line 11
Deprecated: Creation of dynamic property WhichBrowser\Analyser\Header\Useragent::$options is deprecated in /home/ftunma/public_html/e-library/plugins/visitorwebcounter/vendor/whichbrowser/parser/src/Analyser/Header/Useragent.php on line 12
Gaya APA
Kasmir, .(2011).Etika Customer Service .Jakarta:Jakarta : PT Raja Grafindo Persada.
Gaya MLA
Kasmir, ."Etika Customer Service".Jakarta:Jakarta : PT Raja Grafindo Persada,2011.Text.