Gaya APA
Ludlum, Robert. (1989).
Trevayne .
:
Bantam Books.
Gaya Chicago
Ludlum, Robert.
Trevayne.
:
Bantam Books,
1989.
Text.
Gaya MLA
Ludlum, Robert.
Trevayne.
:
Bantam Books,
1989.
Text.
Gaya Turabian
Ludlum, Robert.
Trevayne.
:
Bantam Books,
1989.
Print.