Gaya APA
Suparman, ., Hartatik, S.
(2009).
Understanding English Text Genres
.
Surakarta:
Era Intermedia.
Gaya MLA
Suparman, ., Hartatik, Sri.
"Understanding English Text Genres".
Surakarta:
Era Intermedia,
2009.
Buku Tercetak.