Gaya APA
GRAHAM, M. et al
(2015).
Boom! English Grammar Made Easy
(
Cet. 1)
.
Jakarta:
Penerbit Erlangga.
Gaya MLA
GRAHAM, Mark. et al.
"Boom! English Grammar Made Easy".
Cet. 1
Jakarta:
Penerbit Erlangga,
2015.
Text.