APA引文

Hobart H Willard. (1974). Instrumental methods of analysis. New York: D.Van Nostrand Company.

Trích dẫn kiểu Chicago

Hobart H Willard. Instrumental Methods of Analysis. New York: D.Van Nostrand Company, 1974.

MLA引文

Hobart H Willard. Instrumental Methods of Analysis. New York: D.Van Nostrand Company, 1974.

警告：这些引文格式不一定是100％准确.