Gaya APA
M.PD, D, S, R.
(2010).
LET'S SPEAK ENGLISH ACTIVELY
(
CET. 1)
.
YOGYAKARTA:
PUSTAKA PELAJAR.
Gaya MLA
M.PD, DRS., SLAMET, RIYANTO,.
"LET'S SPEAK ENGLISH ACTIVELY".
CET. 1
YOGYAKARTA:
PUSTAKA PELAJAR,
2010.
Text.