Citazione Stile APA (7a Edizione)

Cassidy, C. M. K. R. (2011). Principal of management (12th.). South western cengage learning.

Citazione stile Chigago Style (17a edizione)

Cassidy, Carlene M.& Kreitner Robert. Principal of Management. 12th. Australia: South western cengage learning, 2011.

Citatione MLA (9a ed.)

Cassidy, Carlene M.& Kreitner Robert. Principal of Management. 12th. South western cengage learning, 2011.