APA (7 ম সংস্করণ) উদ্ধৃতি

Unknown creator; St. Louis University; Parks College of Saint Louis University. (1941). Parks College industrial machine shop.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Unknown creator; St. Louis University; Parks College of Saint Louis University. Parks College Industrial Machine Shop. 1941.

M.L.A (8 ম সংস্করণ) উদ্ধৃতি

Unknown creator; St. Louis University; Parks College of Saint Louis University. Parks College Industrial Machine Shop. 1941.