APA aipamena

Wells, G. L. (1973). A guide to process engineering with economic objective. L. Hill.

Chicago Style aipamena

Wells, G. L. A Guide to Process Engineering with Economic Objective. Aylesbury,: L. Hill, 1973.

MLA aipamena

Wells, G. L. A Guide to Process Engineering with Economic Objective. L. Hill, 1973.