APA (7th ed.) Citation

Orr, K. (1981). Structured requirements definition. K. Orr.

Chicago Style (17th ed.) Citation

Orr, Ken. Structured Requirements Definition. Topeka, Kan: K. Orr, 1981.

MLA (9th ed.) Citation

Orr, Ken. Structured Requirements Definition. K. Orr, 1981.

Warning: These citations may not always be 100% accurate.