Gaya APA
Underground Railroad. (2008).
BOGOR:
Rain Tree Steck Vaughn.
Gaya Chicago
Underground Railroad.
.
BOGOR:
Rain Tree Steck Vaughn,
2008.
Non Fiksi.
Gaya MLA
Underground Railroad.
.
BOGOR:
Rain Tree Steck Vaughn,
2008.
Non Fiksi.
Gaya Turabian
Underground Railroad.
BOGOR:
Rain Tree Steck Vaughn,
2008.
Non Fiksi.