APA-referens (7:e uppl.)

TOWNSEND, C. B. (2002). WORLD'S MOST AMAZING PUZZLES (1st.). ORIENT PAPERBACKS.

Chicago-referens (17:e uppl.)

TOWNSEND, CHARLES. BARRY. WORLD'S MOST AMAZING PUZZLES. 1st. NEW DELHI: ORIENT PAPERBACKS, 2002.

MLA-referens (9:e uppl.)

TOWNSEND, CHARLES. BARRY. WORLD'S MOST AMAZING PUZZLES. 1st. ORIENT PAPERBACKS, 2002.