APA (7 ম সংস্করণ) উদ্ধৃতি

Coolidge, C. (1924). Address of President Coolidge at the National Conference on Outdoor Recreation at Washington, D.C., May 22, 1924. G.P.O..

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Coolidge, Calvin. Address of President Coolidge at the National Conference on Outdoor Recreation at Washington, D.C., May 22, 1924. Washington: G.P.O., 1924.

M.L.A (8 ম সংস্করণ) উদ্ধৃতি

Coolidge, Calvin. Address of President Coolidge at the National Conference on Outdoor Recreation at Washington, D.C., May 22, 1924. G.P.O., 1924.