Lua APA (7ú heag.)

Enrick, N. L. (1967). Management planning: A systems approach. McGraw-Hill.

Lua i Stíl Chicago (17ú heag.)

Enrick, Norbert Lloyd. Management Planning: A Systems Approach. New York: McGraw-Hill, 1967.

Lua MLA (9ú heag.)

Enrick, Norbert Lloyd. Management Planning: A Systems Approach. McGraw-Hill, 1967.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.