Citazione Stile APA (7a Edizione)

Firkowska-Mankiewicz, A., & Grzegołowska-Klarkowska, H. J. (2002). Intelligence and success in life. IFiS Publ..

Citazione stile Chigago Style (17a edizione)

Firkowska-Mankiewicz, Anna, e Helena Janet Grzegołowska-Klarkowska. Intelligence and Success in Life. Warsaw: IFiS Publ., 2002.

Citatione MLA (9a ed.)

Firkowska-Mankiewicz, Anna, e Helena Janet Grzegołowska-Klarkowska. Intelligence and Success in Life. IFiS Publ., 2002.