APA Style
Smithies, M., Plank, J, M.
(1996).
Gila Gusdur
.
Yogyakarta:
lkis.
MLA Style
Smithies, Michael., Plank, John, Mak.
"Gila Gusdur".
Yogyakarta:
lkis,
1996.
Buku PGSD.