C., M., C., P., S., H.(1996).Company of heroes : unleashing the power of self-leadership / Henry P. Sims, Charles C. Manz .New York:John Wiley n Sons.
Gaya MLA
Manz, Charles, C.., Sims, Henry, P.."Company of heroes : unleashing the power of self-leadership / Henry P. Sims, Charles C. Manz".New York:John Wiley n Sons,1996.Textbook.