South-western Publishing Company & Agnew, P. L. (1955). Typewriting office practice (2nd ed.). South-Western Pub. Co..
Παραπομπή σε μορφή Chicago (17η εκδ.)South-western Publishing Company και Peter Lawrence Agnew. Typewriting Office Practice. 2nd ed. Cincinnati, Ohio: South-Western Pub. Co., 1955.
Παραπομπή σε μορφή MLA (8th εκδ.)South-western Publishing Company και Peter Lawrence Agnew. Typewriting Office Practice. 2nd ed. South-Western Pub. Co., 1955.
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