APA-referens (7:e uppl.)

CHATFIELD CHRISTOPHER. (1978). STATISTICS FOR TECHONOLOGY (2ND.). CHAPMAN & HALL.

Chicago-referens (17:e uppl.)

CHATFIELD CHRISTOPHER. STATISTICS FOR TECHONOLOGY. 2ND. LONDON: CHAPMAN & HALL, 1978.

MLA-referens (9:e uppl.)

CHATFIELD CHRISTOPHER. STATISTICS FOR TECHONOLOGY. 2ND. CHAPMAN & HALL, 1978.