(1941). Free and Inexpensive Learning Materials. Nashville, Tennessee: George Peabody College for Teachers.
Chicago Style citaatFree and Inexpensive Learning Materials. Nashville, Tennessee: George Peabody College for Teachers, 1941.
MLA citatieFree and Inexpensive Learning Materials. Nashville, Tennessee: George Peabody College for Teachers, 1941.
Let op: Deze citaties zijn niet altijd 100% accuraat.