Guilford, J. P. (1978). Fundamental statistics in psychology and education (1st edition.). McGraw-Hill.
Chicago-referens (17:e uppl.)Guilford, J P. Fundamental Statistics in Psychology and Education. 1st edition. Singapore: McGraw-Hill, 1978.
MLA-referens (9:e uppl.)Guilford, J P. Fundamental Statistics in Psychology and Education. 1st edition. McGraw-Hill, 1978.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.