Gaya APA
Roberts, David. (2006).
On the Ridge between Life and Death .
New York:
Simon & Schuster.
Gaya Chicago
Roberts, David.
On the Ridge between Life and Death.
New York:
Simon & Schuster,
2006.
Text.
Gaya MLA
Roberts, David.
On the Ridge between Life and Death.
New York:
Simon & Schuster,
2006.
Text.
Gaya Turabian
Roberts, David.
On the Ridge between Life and Death.
New York:
Simon & Schuster,
2006.
Print.