Gaya APA
Sihombing, D, R.
(2012).
After the storm
.
Yogyakarta::
Yogyakarta: Penerbit Andi, 2012.
Gaya MLA
Sihombing, Daniel, Rudol.
"After the storm".
Yogyakarta::
Yogyakarta: Penerbit Andi, 2012,
2012.
Ebook.