APA (7 ম সংস্করণ) উদ্ধৃতি

ebrary, Inc, Symposium on Technology and Economics, & Landau, R. (1991). Technology & economics: Papers commemorating Ralph Landau's service to the National Academy of Engineering. National Academy Press.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

ebrary, Inc, Symposium on Technology and Economics, এবং Ralph Landau. Technology & Economics: Papers Commemorating Ralph Landau's Service to the National Academy of Engineering. Washington, D.C.: National Academy Press, 1991.

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

ebrary, Inc, et al. Technology & Economics: Papers Commemorating Ralph Landau's Service to the National Academy of Engineering. National Academy Press, 1991.