Collier, D., & Gerring, J. (2009). Concepts and method in social science: The tradition of Giovanni Sartori. Routledge.
Citazione stile Chigago Style (17a edizione)Collier, David, e John Gerring. Concepts and Method in Social Science: The Tradition of Giovanni Sartori. New York: Routledge, 2009.
Citatione MLA (9a ed.)Collier, David, e John Gerring. Concepts and Method in Social Science: The Tradition of Giovanni Sartori. Routledge, 2009.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.