APA Format
Pandapotan Sianipar;
. (Jakarta,Gramedia,1996). Wordstar 7.0
/
. Jakarta : Gramedia
MLA Format
Pandapotan Sianipar;
. Wordstar 7.0
/
. Jakarta : Gramedia, Jakarta,Gramedia,1996
Chicago Format
Pandapotan Sianipar;
. Wordstar 7.0
/
. Jakarta : Gramedia, Jakarta,Gramedia,1996
Australian/Harvard Format
Pandapotan Sianipar;
. Jakarta,Gramedia,1996. Wordstar 7.0
/
. Gramedia Jakarta