Bernstein, V. (1996). American government: Freedom, rights, responsibilities. Steck-Vaughn.
Citazione stile Chigago Style (17a edizione)Bernstein, Vivian. American Government: Freedom, Rights, Responsibilities. Austin, Tex: Steck-Vaughn, 1996.
Citatione MLA (9a ed.)Bernstein, Vivian. American Government: Freedom, Rights, Responsibilities. Steck-Vaughn, 1996.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.