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.