Gaya APA
RUDI, H., CARTHY, A, M. (2008).
ABC Plus English Grammar : Accurate , Bright, Clear (Cet. 1).
Surabaya:
Gitamedia Press.
Gaya MLA
RUDI, Hariyono., CARTHY, Andrew, Mc.
"ABC Plus English Grammar : Accurate , Bright, Clear".
Cet. 1
Surabaya:
Gitamedia Press,
2008.
Text.