Não informado. University of Iowa studies in character. Institute of Character Research.
Citace podle Chicago (17th ed.)Não informado. University of Iowa Studies in Character. Iowa City, Iowa: Institute of Character Research.
Citace podle MLA (8th ed.)Não informado. University of Iowa Studies in Character. Institute of Character Research.
Upozornění: Tyto citace jsou generovány automaticky. Nemusí být zcela správně podle citačních pravidel..