Dyfyniad APA

BLAKE ROBERT R. (1986). EXECUTIVE ACHIEVEMENNT MAKING IT AT THE TOP. MCGRAW-HILL.

Dyfyniad Arddull Chicago

BLAKE ROBERT R. EXECUTIVE ACHIEVEMENNT MAKING IT AT THE TOP. NEW YORK: MCGRAW-HILL, 1986.

Dyfyniad MLA

BLAKE ROBERT R. EXECUTIVE ACHIEVEMENNT MAKING IT AT THE TOP. MCGRAW-HILL, 1986.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.