Gaya APA
Kusuma, Retno. (2015).
Be effective teen? that's you! .
Jakarta:
Elex Media Komputindo.
Gaya Chicago
Kusuma, Retno.
Be effective teen? that's you!.
Jakarta:
Elex Media Komputindo,
2015.
Text.
Gaya MLA
Kusuma, Retno.
Be effective teen? that's you!.
Jakarta:
Elex Media Komputindo,
2015.
Text.
Gaya Turabian
Kusuma, Retno.
Be effective teen? that's you!.
Jakarta:
Elex Media Komputindo,
2015.
Print.