APA引文

(2008). Specification for Welding Procedure and Performance Qualification. American: Ametican Welding Society.

Trích dẫn kiểu Chicago

Specification for Welding Procedure and Performance Qualification. American: Ametican Welding Society, 2008.

MLA引文

Specification for Welding Procedure and Performance Qualification. American: Ametican Welding Society, 2008.

警告：這些引文格式不一定是100％准確.