Gaya APA
Day, Gary. (2001).
Class (Cetakan Pertama).
London:
Routledge.
Gaya Chicago
Day, Gary.
Class.
Cetakan Pertama
London:
Routledge,
2001.
Text.
Gaya MLA
Day, Gary.
Class.
Cetakan Pertama
London:
Routledge,
2001.
Text.
Gaya Turabian
Day, Gary.
Class.
Cetakan Pertama
London:
Routledge,
2001.
Print.