Gaya APA

DECOSTERD, M, L. (2010). Right brain / left brain president : Barack Obama’s uncommon leadership rnability and how we can each develop it . Amerika: Praeger Publishers.

Gaya MLA

DECOSTERD, Mary, Lou. "Right brain / left brain president : Barack Obama’s uncommon leadership rnability and how we can each develop it". Amerika: Praeger Publishers, 2010. Computer File.