Cita APA (7th ed.)

Ball, D., & Hoefer, H. (1991). Argentina (2nd ed.). APA Publications.

Cita Chicago (17th ed.)

Ball, Deirdre, i Hans Hoefer. Argentina. 2nd ed. Hong Kong: APA Publications, 1991.

Cita MLA (9th ed.)

Ball, Deirdre, i Hans Hoefer. Argentina. 2nd ed. APA Publications, 1991.