APA Style
Once;;;978-0-14-132063-2;Puffin Books;2005;;;F GLE o UPP;;United Kingdom;;;;;. ().
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Chicago Style
Once;;;978-0-14-132063-2;Puffin Books;2005;;;F GLE o UPP;;United Kingdom;;;;;.
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Morris>;;<2009-01701>;;;;;;;;;.
MLA Style
Once;;;978-0-14-132063-2;Puffin Books;2005;;;F GLE o UPP;;United Kingdom;;;;;.
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Morris>;;<2009-01701>;;;;;;;;;.
Turabian Style
Once;;;978-0-14-132063-2;Puffin Books;2005;;;F GLE o UPP;;United Kingdom;;;;;.
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,
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Morris>;;<2009-01701>;;;;;;;;;.