Dyfyniad APA

463791 Spitzer, Q., & Evans, R. (1997). Heads, you win!: How the best companies think. New York : Simon & Schuster.

Dyfyniad Arddull Chicago

463791 Spitzer, Quinn, and Ron Evans. Heads, You Win!: How the Best Companies Think. New York : Simon & Schuster, 1997.

Dyfyniad MLA

463791 Spitzer, Quinn, and Ron Evans. Heads, You Win!: How the Best Companies Think. New York : Simon & Schuster, 1997.

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