APA (7 ম সংস্করণ) উদ্ধৃতি

Kallaus, N. F., & Keeling, B. L. (1991). Administrative office management (10th ed.). South-Western Pub. Co..

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Kallaus, Norman Francis, এবং B. Lewis Keeling. Administrative Office Management. 10th ed. Cincinnati, OH: South-Western Pub. Co., 1991.

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

Kallaus, Norman Francis, এবং B. Lewis Keeling. Administrative Office Management. 10th ed. South-Western Pub. Co., 1991.