APA-referens (7:e uppl.)

CORTADA JAMES W. (2001). QUALITY YEAR BOOK 2001. MCGRAW-HILL.

Chicago-referens (17:e uppl.)

CORTADA JAMES W. QUALITY YEAR BOOK 2001. NEW YORK: MCGRAW-HILL, 2001.

MLA-referens (9:e uppl.)

CORTADA JAMES W. QUALITY YEAR BOOK 2001. MCGRAW-HILL, 2001.