Kohen-Raz, R. (1968). Physiological maturation and the development of formal thought at adolescence: Progress report. U.S. Dept. of Health, Education, and Welfare.
Chicago-referens (17:e uppl.)Kohen-Raz, Reuben. Physiological Maturation and the Development of Formal Thought at Adolescence: Progress Report. [Washington]: U.S. Dept. of Health, Education, and Welfare, 1968.
MLA-referens (8:e uppl.)Kohen-Raz, Reuben. Physiological Maturation and the Development of Formal Thought at Adolescence: Progress Report. U.S. Dept. of Health, Education, and Welfare, 1968.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.