Gaya APA
Nixon, C., Tomlinson, M.
(s.a).
Kids Box: Pupil's Book 4
(
Ed.2)
.
s.l:
Cambridge University Press.
Gaya MLA
Nixon, Caroline., Tomlinson, Michael.
"Kids Box: Pupil's Book 4".
Ed.2
s.l:
Cambridge University Press,
s.a.
Electronic Resource.