GARDNER D C. (1998). DOCUMENTARY CREDIT. MACMILLAN.
Cita Chicago (17th ed.)GARDNER D C. DOCUMENTARY CREDIT. NEW DELHI: MACMILLAN, 1998.
Cita MLA (9th ed.)GARDNER D C. DOCUMENTARY CREDIT. MACMILLAN, 1998.
Atenció: Aquestes cites poden no estar 100% correctes.