Gaya APA
Leo, S.
(2013).
A CHALLENGING BOOK TO PRACTICE TEACHING IN ENGLISH
(
edisi 1)
.
YOGYAKARTA:
cv. andi offset.
Gaya MLA
Leo, Sutanto.
"A CHALLENGING BOOK TO PRACTICE TEACHING IN ENGLISH".
edisi 1
YOGYAKARTA:
cv. andi offset,
2013.
Text.