APA引文

Dugger, J. (1992). Business Letters for Busy People. Kuala Lumpur: Golden books centre.

Trích dẫn kiểu Chicago

Dugger, Jim. Business Letters for Busy People. Kuala Lumpur: Golden books centre, 1992.

MLA引文

Dugger, Jim. Business Letters for Busy People. Kuala Lumpur: Golden books centre, 1992.

警告：这些引文格式不一定是100％准确.