Gaya APA
Sawidji, W., L., T., R. (2012).
Professional investing: 10 aturan tersukses investasi saham (Cet.4 (revisi)).
Jakarta:
.
Gaya MLA
Widoatmodjo, Sawidji., Toruan, Rayendra, L..
"Professional investing: 10 aturan tersukses investasi saham".
Cet.4 (revisi)
Jakarta:
,
2012.
Textbook.