Education Center (Greensboro, N.C.). (1998). The mailbox teacher. Education Center.
Chicago-čujuhus (17. p.)Education Center (Greensboro, N.C.). The Mailbox Teacher. Greensboro, NC: Education Center, 1998.
MLA-čujuhus (9. p.)Education Center (Greensboro, N.C.). The Mailbox Teacher. Education Center, 1998.
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