Gaya APA
Marchelin, Angela, Ramadhita, Nita, Ryvannafiza. (2012).
Duet .
Ponorogo:
Haru.
Gaya Chicago
Marchelin, Angela, Ramadhita, Nita, Ryvannafiza.
Duet.
Ponorogo:
Haru,
2012.
Text.
Gaya MLA
Marchelin, Angela, Ramadhita, Nita, Ryvannafiza.
Duet.
Ponorogo:
Haru,
2012.
Text.
Gaya Turabian
Marchelin, Angela, Ramadhita, Nita, Ryvannafiza.
Duet.
Ponorogo:
Haru,
2012.
Print.