Gaya APA
Kernan, Doris. (1974).
Steps To English Book 1 .
:
McGraw-Hill.
Gaya Chicago
Kernan, Doris.
Steps To English Book 1.
:
McGraw-Hill,
1974.
Text.
Gaya MLA
Kernan, Doris.
Steps To English Book 1.
:
McGraw-Hill,
1974.
Text.
Gaya Turabian
Kernan, Doris.
Steps To English Book 1.
:
McGraw-Hill,
1974.
Print.