Gaya APA
Effendi,Kurnia, Tina, Kusumastuti,Ratna. (2014).
Surat .
Jakarta:
PT.ELex Media.
Gaya Chicago
Effendi,Kurnia, Tina, Kusumastuti,Ratna.
Surat.
Jakarta:
PT.ELex Media,
2014.
Text.
Gaya MLA
Effendi,Kurnia, Tina, Kusumastuti,Ratna.
Surat.
Jakarta:
PT.ELex Media,
2014.
Text.
Gaya Turabian
Effendi,Kurnia, Tina, Kusumastuti,Ratna.
Surat.
Jakarta:
PT.ELex Media,
2014.
Print.