Gaya APA
Kurniawan, Lanny. (2008).
Student's Book English Playground .
Jakarta:
Erlangga.
Gaya Chicago
Kurniawan, Lanny.
Student's Book English Playground.
Jakarta:
Erlangga,
2008.
Text.
Gaya MLA
Kurniawan, Lanny.
Student's Book English Playground.
Jakarta:
Erlangga,
2008.
Text.
Gaya Turabian
Kurniawan, Lanny.
Student's Book English Playground.
Jakarta:
Erlangga,
2008.
Print.