APA
Sullivan E Thomas, Frase Richard S, . (2009). Proportionality principles in American law. Oxford: Oxford University Press.
Chicago
Sullivan E Thomas, Frase Richard S, . 2009. Proportionality principles in American law. Oxford: Oxford University Press.
Harvard
Sullivan E Thomas, Frase Richard S, . (2009). Proportionality principles in American law. Oxford: Oxford University Press.
MLA
Sullivan E Thomas, Frase Richard S, . Proportionality principles in American law. Oxford: Oxford University Press. 2009.