APA-referens (7:e uppl.)

SINGH DARYAB. (2001). PRINCIPLES OF STATISTICS. ATLANTIC BOOKS.

Chicago-referens (17:e uppl.)

SINGH DARYAB. PRINCIPLES OF STATISTICS. NEW DELHI: ATLANTIC BOOKS, 2001.

MLA-referens (9:e uppl.)

SINGH DARYAB. PRINCIPLES OF STATISTICS. ATLANTIC BOOKS, 2001.