Parker Robert. (1985). Magazine for Financial exicutives. Financial executive institute.
Dyfyniad Arddull ChicagoParker Robert. Magazine for Financial Exicutives. Newyork: Financial executive institute, 1985.
Dyfyniad MLAParker Robert. Magazine for Financial Exicutives. Financial executive institute, 1985.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.