APA-referens (7:e uppl.)

INHELDER, B. The growth of logical thinking. From childhood to adolescence. Basic Books, Inc.

Chicago-referens (17:e uppl.)

INHELDER, Barbel. The Growth of Logical Thinking. From Childhood to Adolescence. Basic Books, Inc.

MLA-referens (8:e uppl.)

INHELDER, Barbel. The Growth of Logical Thinking. From Childhood to Adolescence. Basic Books, Inc.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.