APA (7th ed.) Citation

Lejk, M., & Deeks, D. (1998). An introduction to systems analysis techniques. Prentice Hall.

Chicago Style (17th ed.) Citation

Lejk, Mark, and David Deeks. An Introduction to Systems Analysis Techniques. London [u.a.]: Prentice Hall, 1998.

MLA (9th ed.) Citation

Lejk, Mark, and David Deeks. An Introduction to Systems Analysis Techniques. Prentice Hall, 1998.