Gaya APA
Ahern, Cecelia. (2004).
PS, I Love You (Cetakan Pertama).
New York:
Hyperion.
Gaya Chicago
Ahern, Cecelia.
PS, I Love You.
Cetakan Pertama
New York:
Hyperion,
2004.
Text.
Gaya MLA
Ahern, Cecelia.
PS, I Love You.
Cetakan Pertama
New York:
Hyperion,
2004.
Text.
Gaya Turabian
Ahern, Cecelia.
PS, I Love You.
Cetakan Pertama
New York:
Hyperion,
2004.
Print.