Gaya APA
Writerhood, A, W, H, D, I. (2011).
Effective & powerful presentation with PowerPoint 2010 .
Yogyakarta:
Andi Offset.
Gaya MLA
Writerhood, Asih, Widi, Harini, Dan, Inspiring.
"Effective & powerful presentation with PowerPoint 2010".
Yogyakarta:
Andi Offset,
2011.
Text.