PARKINSON C. (1981). BUSINESS IS PEOPLE. INDIA BOOK HOUSE.
Dyfyniad Arddull ChicagoPARKINSON C. BUSINESS IS PEOPLE. BOMBAY: INDIA BOOK HOUSE, 1981.
Dyfyniad MLAPARKINSON C. BUSINESS IS PEOPLE. INDIA BOOK HOUSE, 1981.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.