Gaya APA
WALIDI,S.Pd, .
(2006).
STEP BY STEP TO SPEAK ENGLISH
(
cetakan I 2006)
.
Yogyakarta:
pt citra aji parama.
Gaya MLA
WALIDI,S.Pd, .
"STEP BY STEP TO SPEAK ENGLISH".
cetakan I 2006
Yogyakarta:
pt citra aji parama,
2006.
Text.