Gaya APA
Peta di Abad 20. (2003).
Jakarta:
Inovasi.
Gaya Chicago
Peta di Abad 20.
.
Jakarta:
Inovasi,
2003.
Printed Book.
Gaya MLA
Peta di Abad 20.
.
Jakarta:
Inovasi,
2003.
Printed Book.
Gaya Turabian
Peta di Abad 20.
Jakarta:
Inovasi,
2003.
Printed Book.