Jackson, M. D., & Johnson, R. (2012). Nicht sicher. Parkett.
Cita Chicago (17th ed.)Jackson, Matthew Day, i Rashid Johnson. "Nicht Sicher." Parkett 2012.
Cita MLA (8th ed.)Jackson, Matthew Day, i Rashid Johnson. "Nicht Sicher." Parkett, 2012.
Atenció: Aquestes cites poden no estar 100% correctes.