APA Style

Radityo, Ditto Anggar, Djuaeriah, Neneng. (2008). Analysis of PT X's revenue, before and after offering ringback tone service . : Swiss German University.

Chicago Style

Radityo, Ditto Anggar, Djuaeriah, Neneng. Analysis of PT X's revenue, before and after offering ringback tone service. : Swiss German University, 2008. print.

MLA Style

Radityo, Ditto Anggar, Djuaeriah, Neneng. Analysis of PT X's revenue, before and after offering ringback tone service. : Swiss German University, 2008. print.

Turabian Style

Radityo, Ditto Anggar, Djuaeriah, Neneng. Analysis of PT X's revenue, before and after offering ringback tone service. : Swiss German University, 2008. print.