Gaya APA
Leypoldt, Martha M. (1967).
40 Ways to Teach in Groups .
Valley Forge:
Judson Press.
Gaya Chicago
Leypoldt, Martha M.
40 Ways to Teach in Groups.
Valley Forge:
Judson Press,
1967.
Text.
Gaya MLA
Leypoldt, Martha M.
40 Ways to Teach in Groups.
Valley Forge:
Judson Press,
1967.
Text.
Gaya Turabian
Leypoldt, Martha M.
40 Ways to Teach in Groups.
Valley Forge:
Judson Press,
1967.
Print.