Gaya APA
HARTANTO, John S. (1986).
Accurate, brief and clear english grammar .
Surabaya:
Surabaya Indah.
Gaya Chicago
HARTANTO, John S.
Accurate, brief and clear english grammar.
Surabaya:
Surabaya Indah,
1986.
Text.
Gaya MLA
HARTANTO, John S.
Accurate, brief and clear english grammar.
Surabaya:
Surabaya Indah,
1986.
Text.
Gaya Turabian
HARTANTO, John S.
Accurate, brief and clear english grammar.
Surabaya:
Surabaya Indah,
1986.
Print.