APA Style
suharno, R, A., Gumawang, A.
(1997).
the psychology of language
.
Geoge R Tery:
mc.graw hill book company.
MLA Style
suharno, R, A., Gumawang, Atang.
"the psychology of language".
Geoge R Tery:
mc.graw hill book company,
1997.
Buku PGSD.