Gaya APA
Suroso, .
(2005).
The Flood in Toba Land: Banjir di Tanah Toba
.
Yogyakarta:
Kanisius.
Gaya MLA
Suroso, .
"The Flood in Toba Land: Banjir di Tanah Toba".
Yogyakarta:
Kanisius,
2005.
Text.