APA (7e ed.) Bronvermelding

Education Center (Greensboro, N.C.). (1998). The mailbox teacher. Education Center.

Chicago (17e ed.) Bronvermelding

Education Center (Greensboro, N.C.). The Mailbox Teacher. Greensboro, NC: Education Center, 1998.

MLA (9e ed.) Bronvermelding

Education Center (Greensboro, N.C.). The Mailbox Teacher. Education Center, 1998.

Let op: Deze citaties zijn niet altijd 100% accuraat.