APA (7 ম সংস্করণ) উদ্ধৃতি

Bellman, R., & Cooke, K. L. (1965). Asymptotic behavior of solutions of differential-difference equations. American Mathematical Society.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Bellman, Richard, এবং Kenneth L. Cooke. Asymptotic Behavior of Solutions of Differential-difference Equations. Providence, R.I: American Mathematical Society, 1965.

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

Bellman, Richard, এবং Kenneth L. Cooke. Asymptotic Behavior of Solutions of Differential-difference Equations. American Mathematical Society, 1965.