Calloway, J. (2007). Work like you're showing off !: The joy, jazz, and kick of being better tomorrow than you were today. Hoboken, N.J: John Wiley & Sons.
শিকাগো স্টাইলে সাইটেশনCalloway, Joe. Work Like You're Showing Off !: The Joy, Jazz, and Kick of Being Better Tomorrow Than You Were Today. Hoboken, N.J: John Wiley & Sons, 2007.
এমএলএ সাইটেশনCalloway, Joe. Work Like You're Showing Off !: The Joy, Jazz, and Kick of Being Better Tomorrow Than You Were Today. Hoboken, N.J: John Wiley & Sons, 2007.
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