Shiveley, W. P. (1990). The craft of political research (3d ed.). Prentice-Hall.
Citazione stile Chigago Style (17a edizione)Shiveley, W. Phillips. The Craft of Political Research. 3d ed. Englewood Cliffs, N. J: Prentice-Hall, 1990.
Citatione MLA (9a ed.)Shiveley, W. Phillips. The Craft of Political Research. 3d ed. Prentice-Hall, 1990.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.