Carlson, R. (1997). Don't Sweat the Small Stuff... Omnibus. Hodder & Stoughton Ltd.
Lua i Stíl Chicago (17ú heag.)Carlson, Richard. Don't Sweat the Small Stuff... Omnibus. London: Hodder & Stoughton Ltd, 1997.
Lua MLA (9ú heag.)Carlson, Richard. Don't Sweat the Small Stuff... Omnibus. Hodder & Stoughton Ltd, 1997.
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