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.
শিকাগো স্টাইলে সাইটেশনTietz, 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.
এমএলএ সাইটেশনTietz, 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.
সতর্কবাণী: সাইটেশন সবসময় 100% নির্ভুল হতে পারে না.