APA Style
Purple. ().
:
.
Chicago Style
Purple.
Robert>;;<2009-2303>;;;;;;;;;;;;;;.
:
,
.
Green and Yellow;;;978-1-55037.
MLA Style
Purple.
Robert>;;<2009-2303>;;;;;;;;;;;;;;.
:
,
.
Green and Yellow;;;978-1-55037.
Turabian Style
Purple.
:
,
.
Green and Yellow;;;978-1-55037.