APA (7th ed.) Zitazioa

Spina, V. (1997). Success 2000 : moving into the millennium with: Purpose, power, and prosperity. Wiley.

Chicago Style (17th ed.) Zitazioa

Spina, Vicki. Success 2000 : Moving into the Millennium with: Purpose, Power, and Prosperity. New york: Wiley, 1997.

MLA (9th ed.) Zitazioa

Spina, Vicki. Success 2000 : Moving into the Millennium with: Purpose, Power, and Prosperity. Wiley, 1997.