(1992). IBM Departmental Grant / D.E. Schimmel.
Cita Chicago (17th ed.)IBM Departmental Grant / D.E. Schimmel. 1992.
Cita MLA (9th ed.)IBM Departmental Grant / D.E. Schimmel. 1992.
Atenció: Aquestes cites poden no estar 100% correctes.
Cita APA (7th ed.)