Gaya APA
Tafqihan, Z. (2010).
Membandingkan Greenstone Digital Library (GSDL) dan Ganesha Digital Library (GDL) .
Ponorogo:
STAIN Ponorogo Press.
Gaya MLA
Tafqihan, Zuhdy.
"Membandingkan Greenstone Digital Library (GSDL) dan Ganesha Digital Library (GDL)".
Ponorogo:
STAIN Ponorogo Press,
2010.
Jurnal.