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