APA引文

Malkoc, A. M. (2005). Letter writing in English: Rationale and models for social and business letters. Washington, DC.: United states Department of state.

Trích dẫn kiểu Chicago

Malkoc, Anna Maria. Letter Writing in English: Rationale and Models for Social and Business Letters. Washington, DC.: United states Department of state, 2005.

MLA引文

Malkoc, Anna Maria. Letter Writing in English: Rationale and Models for Social and Business Letters. Washington, DC.: United states Department of state, 2005.

警告：這些引文格式不一定是100％准確.