Beamer, E. K. (1962). Effective secretarial practices: A collegiate textbook for the education of secretaries a handbook for practicing secretaries. South-western Pub. Co.
Παραπομπή σε μορφή Chicago (17η εκδ.)Beamer, Esther Kihn. Effective Secretarial Practices: A Collegiate Textbook for the Education of Secretaries a Handbook for Practicing Secretaries. Cincinnati: South-western Pub. Co, 1962.
Παραπομπή σε μορφή MLA (9th εκδ.)Beamer, Esther Kihn. Effective Secretarial Practices: A Collegiate Textbook for the Education of Secretaries a Handbook for Practicing Secretaries. South-western Pub. Co, 1962.
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