APA Style
National Geographic Kids (Desember 2014) : Orangtua Penguin. ().
Jakarta:
Penerbitan Sarana Bobo.
Chicago Style
National Geographic Kids (Desember 2014) : Orangtua Penguin.
.
Jakarta:
Penerbitan Sarana Bobo,
.
Periodical Issues.
MLA Style
National Geographic Kids (Desember 2014) : Orangtua Penguin.
.
Jakarta:
Penerbitan Sarana Bobo,
.
Periodical Issues.
Turabian Style
National Geographic Kids (Desember 2014) : Orangtua Penguin.
Jakarta:
Penerbitan Sarana Bobo,
.
Periodical Issues.