Gaya APA
Mulyadi, , A, H., Nurhayati, I.
(2002).
English For Geography
.
Purwokerto:
FKIP UMP.
Gaya MLA
Mulyadi, , Abdul, Haris., Nurhayati, Istiana.
"English For Geography".
Purwokerto:
FKIP UMP,
2002.
Text.