(1999, 16. December). Exercise of the Day. Zugriff unter http://216.180.1.69/exercises_of_the_day_by_gary_rue.htm
APA (7th ed.) CitationExercise of the Day.
Chicago Style (17th ed.) CitationExercise of the Day.
MLA (9th ed.) CitationExercise of the Day.
Warning: These citations may not always be 100% accurate.