Shurter, R. L. (1971). Written communication in business/3e (3rd ed.). McGraw-Hill.
Παραπομπή Chicago StyleShurter, Robert L. Written Communication in Business/3e. 3rd ed. Tokyo: McGraw-Hill, 1971.
Παραπομπή MLAShurter, Robert L. Written Communication in Business/3e. 3rd ed. McGraw-Hill, 1971.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.