SCHICK, T., VAUGHN,Lewis, & GARDNER, M. (2011). How to think about weird things: Critical thinking for a new age. McGraw-Hill Book Company.

SCHICK, Theodore, VAUGHN,Lewis, and Martin GARDNER. How to Think About Weird Things: Critical Thinking for a New Age. McGraw-Hill Book Company, 2011.

SCHICK, Theodore, et al. How to Think About Weird Things: Critical Thinking for a New Age. McGraw-Hill Book Company, 2011.