APA (7 ম সংস্করণ) উদ্ধৃতি

Pennsylvania Railroad & Louisiana Purchase Exposition. (1905). The Pennsylvania railroad system at the Louisiana Purchase Exposition: Locomotive tests and exhibits, Saint Louis, Missouri, 1904. Pennsylvania Railroad Co..

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Pennsylvania Railroad এবং Louisiana Purchase Exposition. The Pennsylvania Railroad System at the Louisiana Purchase Exposition: Locomotive Tests and Exhibits, Saint Louis, Missouri, 1904. Philadelphia: Pennsylvania Railroad Co., 1905.

M.L.A (8 ম সংস্করণ) উদ্ধৃতি

Pennsylvania Railroad এবং Louisiana Purchase Exposition. The Pennsylvania Railroad System at the Louisiana Purchase Exposition: Locomotive Tests and Exhibits, Saint Louis, Missouri, 1904. Pennsylvania Railroad Co., 1905.