Sparr, K. (1997). David Kellner - A Biographical Survay.
Cita Chicago (17th ed.)Sparr, Kenneth. David Kellner - A Biographical Survay. Nynäshamn (Sweden), 1997.
Cita MLA (8th ed.)Sparr, Kenneth. David Kellner - A Biographical Survay. 1997.
Atenció: Aquestes cites poden no estar 100% correctes.