Madelyn, B.(1995).Managing assertively : how to improve your people skills a self teaching guide / Madelyn Burley-Allen (Ed.ke-2).New York:John Wiley n Sons.
Gaya MLA
Burley-Allen, Madelyn."Managing assertively : how to improve your people skills a self teaching guide / Madelyn Burley-Allen".Ed.ke-2New York:John Wiley n Sons,1995.Textbook.