Davis, W. S., & Fisher, R. H. (1979). Cobol: :An Introduction To Structured Logic And Moduler Program (1. Edisyon.). Addison-Wesley.
Chicago Style (17th ed.) CitationDavis, W. S., and R. H. Fisher. Cobol: :An Introduction To Structured Logic And Moduler Program. 1. Edisyon. Massachuse: Addison-Wesley, 1979.
MLA (9th ed.) CitationDavis, W. S., and R. H. Fisher. Cobol: :An Introduction To Structured Logic And Moduler Program. 1. Edisyon. Addison-Wesley, 1979.
Warning: These citations may not always be 100% accurate.