Ball, A. R. (1977). Modern politics and government: Alan R. Ball. Macmillan Pr..
Tohutoru Kātū Chicago (17th ed.)Ball, Alan R. Modern Politics and Government: Alan R. Ball. London: Macmillan Pr., 1977.
Tohutoro MLA (9th ed.)Ball, Alan R. Modern Politics and Government: Alan R. Ball. Macmillan Pr., 1977.
Kia tūpato: Kāore pea ēnei kupu hautoa i te ōrite pū 100%.