Gaya APA

Willard, H, H, M, J. (1981). Instrumental Methods of Analysis Sixth Ed. (Ed.6). Melbourne: Litton Edu.Publ. Inc.

Gaya MLA

Willard, H., H;, Merritt, Jr.. "Instrumental Methods of Analysis Sixth Ed.". Ed.6 Melbourne: Litton Edu.Publ. Inc, 1981. Text.