APA引文

Griffiths, R. (2014). Service offerings and agreements: A guide for ITIL exam candidates. BCS Learning & Development Ltd.

Trích dẫn kiểu Chicago

Griffiths, Richard. Service Offerings and Agreements: A Guide for ITIL Exam Candidates. BCS Learning & Development Ltd, 2014.

MLA引文

Griffiths, Richard. Service Offerings and Agreements: A Guide for ITIL Exam Candidates. BCS Learning & Development Ltd, 2014.

警告：这些引文格式不一定是100％准确.