Não informado. (1969). Issues today: The magazine for high school social studies. American Education Publications, Xerox Education Group.
Citação do estilo Chicago (17ª ed.)Não informado. Issues Today: The Magazine for High School Social Studies. Columbus, Ohio: American Education Publications, Xerox Education Group, 1969.
Citação MLA (8ª ed.)Não informado. Issues Today: The Magazine for High School Social Studies. American Education Publications, Xerox Education Group, 1969.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.