Lloyd, John, តើអ្នកដឹងអ្វីខ្ឡះ? - London : Mind Books 2006. - 121 p. : ill. ; 21 cm. "៦៩សំណួរចម្លើយពិសោធបញ្ញា." ISBN: 9789996309397 Subjects--Topical Terms: Questions and answers.Common fallacies. Dewey Class. No.: 031.02