Engel, P. (1965). Executive secretary's handbook. Prentice-Hall.
Chicago Style (17th ed.) CitationEngel, Pauline. Executive Secretary's Handbook. Englewood Cliffs, N.J: Prentice-Hall, 1965.
MLA citiranjeEngel, Pauline. Executive Secretary's Handbook. Prentice-Hall, 1965.
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