Gaya APA
De BONO, Edward,. (2005).
the six value medals .
London:
Vermilion.
Gaya Chicago
De BONO, Edward,.
the six value medals.
London:
Vermilion,
2005.
Text.
Gaya MLA
De BONO, Edward,.
the six value medals.
London:
Vermilion,
2005.
Text.
Gaya Turabian
De BONO, Edward,.
the six value medals.
London:
Vermilion,
2005.
Print.