Não informado. (1969). Issues today: The magazine for high school social studies. American Education Publications, Xerox Education Group.
Chicago-Zitierstil (17. Ausg.)Não informado. Issues Today: The Magazine for High School Social Studies. Columbus, Ohio: American Education Publications, Xerox Education Group, 1969.
MLA-Zitierstil (8. Ausg.)Não informado. Issues Today: The Magazine for High School Social Studies. American Education Publications, Xerox Education Group, 1969.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.