Gaya APA
W, S, L, E, B, R. (2013).
A Challenging Book to Practice Teaching in English (Cet 1).
Yogyakarta:
Andi Offset.
Gaya MLA
W, Sutanto, Leo;, Editor:, Benedicta, Rini.
"A Challenging Book to Practice Teaching in English".
Cet 1
Yogyakarta:
Andi Offset,
2013.
TEKS.