(1996). Naturethehumanracetechnology: Alexander Timtschenko. SBS Consulting.
Cita Chicago (17th ed.)Naturethehumanracetechnology: Alexander Timtschenko. München: SBS Consulting, 1996.
Cita MLA (8th ed.)Naturethehumanracetechnology: Alexander Timtschenko. SBS Consulting, 1996.
Atenció: Aquestes cites poden no estar 100% correctes.