Gaya APA
KRISNA, J. (2010).
COMPACT ENGLISH GRAMMAR HELP YOU BE THE BEST IN ENGLISH .
SURABAYA:
PT JEPE PRESS MEDA UTAMA.
Gaya MLA
KRISNA, JOHAN.
"COMPACT ENGLISH GRAMMAR HELP YOU BE THE BEST IN ENGLISH".
SURABAYA:
PT JEPE PRESS MEDA UTAMA,
2010.
Text.