Turnbull, R. (1999). Explanations and implications of the 1997 amendments ... Merrill.
Cita Chicago (17th ed.)Turnbull, Rud. Explanations and Implications of the 1997 Amendments ... New Jersey: Merrill, 1999.
Cita MLA (9th ed.)Turnbull, Rud. Explanations and Implications of the 1997 Amendments ... Merrill, 1999.
Atenció: Aquestes cites poden no estar 100% correctes.