Canan, C. T. (1982). United States progressive periodicals directory. Progressive Education Service of the South.
Chicago-Zitierstil (17. Ausg.)Canan, Craig T. United States Progressive Periodicals Directory. Nashville, TN: Progressive Education Service of the South, 1982.
MLA-Zitierstil (8. Ausg.)Canan, Craig T. United States Progressive Periodicals Directory. Progressive Education Service of the South, 1982.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.