Cita APA (7th ed.)
Powell, R. (1993). Law today. Longman.
Cita Chicago (17th ed.)
Powell, Richard. Law Today. Singapur: Longman, 1993.
Cita MLA (9th ed.)
Powell, Richard. Law Today. Longman, 1993.
Atenció: Aquestes cites poden no estar 100% correctes.