Turner, M. J., Switzer, K., & Redden, C. (1987). American government: Principles and practices (Teacher annotated edition.). Merrill.
Citazione stile Chigago Style (17a edizione)Turner, Mary Jane, Kenneth Switzer, e Charlotte Redden. American Government: Principles and Practices. Teacher annotated edition. Columbus, Ohio [u.a.]: Merrill, 1987.
Citatione MLA (9a ed.)Turner, Mary Jane, et al. American Government: Principles and Practices. Teacher annotated edition. Merrill, 1987.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.