Welsh, J., & McKeag, R. M. (1980). Structured system programming (1. printing.). Prentice-Hall.
Chicago Style (17th ed.) CitationWelsh, Jim, and R. M. McKeag. Structured System Programming. 1. printing. Englewood Cliffs, NJ [u.a.]: Prentice-Hall, 1980.
MLA (9th ed.) CitationWelsh, Jim, and R. M. McKeag. Structured System Programming. 1. printing. Prentice-Hall, 1980.
Warning: These citations may not always be 100% accurate.