Cita APA (7a ed.)

Kirton, J. J., & Trebilcock, M. J. (2016). Hard choices, soft law: Voluntary standards in global trade, environment, and social governance. Routledge.

Cita Chicago Style (17a ed.)

Kirton, John J., y M. J. Trebilcock. Hard Choices, Soft Law: Voluntary Standards in Global Trade, Environment, and Social Governance. London, [England] ; New York, New York: Routledge, 2016.

Cita MLA (9a ed.)

Kirton, John J., y M. J. Trebilcock. Hard Choices, Soft Law: Voluntary Standards in Global Trade, Environment, and Social Governance. Routledge, 2016.