Gaya APA

Carter, P, J. et al (2005). Ultimate Puzzle Challenge: More Than 500 Challenging Puzzles Of All Types - To Bring Out The Best In Everyone! . India: Carlton Books Limited.

Gaya MLA

Carter, Philip, J.. et al. "Ultimate Puzzle Challenge: More Than 500 Challenging Puzzles Of All Types - To Bring Out The Best In Everyone!". India: Carlton Books Limited, 2005. Buku.