Lua APA (7ú heag.)

Douglas, M. T. (1949). The teacher-librarian's handbook (2nd ed.). American Library Association.

Lua i Stíl Chicago (17ú heag.)

Douglas, Mary Teresa. The Teacher-librarian's Handbook. 2nd ed. Chicago, Ill: American Library Association, 1949.

Lua MLA (9ú heag.)

Douglas, Mary Teresa. The Teacher-librarian's Handbook. 2nd ed. American Library Association, 1949.

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