Gaya APA
Tokoh Pengubah Dunia. (2014).
Jakarta:
Elex Media Komputindo.
Gaya Chicago
Tokoh Pengubah Dunia.
.
Jakarta:
Elex Media Komputindo,
2014.
Book - Geography and History.
Gaya MLA
Tokoh Pengubah Dunia.
.
Jakarta:
Elex Media Komputindo,
2014.
Book - Geography and History.
Gaya Turabian
Tokoh Pengubah Dunia.
Jakarta:
Elex Media Komputindo,
2014.
Book - Geography and History.