APA ציטוט

Orr, K. T., & Warnier, J. D. (1977). Structured systems development. Yourdon.

Chicago Style (17th ed.) Citation

Orr, Kenneth T., and J. D. Warnier. Structured Systems Development. Nueva York: Yourdon, 1977.

ציטוט MLA

Orr, Kenneth T., and J. D. Warnier. Structured Systems Development. Yourdon, 1977.