Titiev, M. (1963). The science of man. Holt.
Lua i Stíl Chicago (17ú heag.)Titiev, Mischa. The Science of Man. New York: Holt, 1963.
Lua MLA (9ú heag.)Titiev, Mischa. The Science of Man. Holt, 1963.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.