Gaya APA

Willard, H, H., Merritt, L, L, J. (1968). Instrumental methods of analysis. (1968). : Princeton : D. Van Nostrand Company, Inc.,.

Gaya MLA

Willard, Hobart, H.., Merritt, Lynne, L.,, Jr.. "Instrumental methods of analysis.". 1968 : Princeton : D. Van Nostrand Company, Inc.,, 1968. Text.