Tietz, R. (1991). Complete Book of Effective Personal Letters: A Collection of over 400 Model Letters for almost every Form of Personal Correspondence. London: Prentice-Hall.
Trích dẫn kiểu ChicagoTietz, Robert. Complete Book of Effective Personal Letters: A Collection of Over 400 Model Letters for Almost Every Form of Personal Correspondence. London: Prentice-Hall, 1991.
MLA引文Tietz, Robert. Complete Book of Effective Personal Letters: A Collection of Over 400 Model Letters for Almost Every Form of Personal Correspondence. London: Prentice-Hall, 1991.
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