Gaya APA
NURYANTO,E., .
(1990).
Essentials of english sentence structure/ E. Nuryanto
.
Yogyakarta:
Yayasan IKK.
Gaya MLA
NURYANTO,E., .
"Essentials of english sentence structure/ E. Nuryanto".
Yogyakarta:
Yayasan IKK,
1990.
Text.