Billinger, R. Rosse: Richard Billinger. Drama.(1966).
Cita Chicago (17th ed.)Billinger, Richard. "Rosse: Richard Billinger." Drama.(1966) .
Cita MLA (8th ed.)Billinger, Richard. "Rosse: Richard Billinger." Drama.(1966), .
Atenció: Aquestes cites poden no estar 100% correctes.