APA (7 ম সংস্করণ) উদ্ধৃতি

Harper, D. V. (1959). Economic regulation of the motor trucking industry by the States. University of Illinois Press.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Harper, Donald Victor. Economic Regulation of the Motor Trucking Industry by the States. Urbana, Ill: University of Illinois Press, 1959.

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

Harper, Donald Victor. Economic Regulation of the Motor Trucking Industry by the States. University of Illinois Press, 1959.