Fifer, S. (1961). Analogue computation: Theory, techniques, and applications. McGraw-Hill.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিFifer, Stanley. Analogue Computation: Theory, Techniques, and Applications. New York: McGraw-Hill, 1961.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিFifer, Stanley. Analogue Computation: Theory, Techniques, and Applications. McGraw-Hill, 1961.