APA (7 ম সংস্করণ) উদ্ধৃতি

FRY, L. (1974). Practice buildinbg of methane power plants for rural energy independence - L.John Fry. RAF Ret'd.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

FRY, L.John. Practice Buildinbg of Methane Power Plants for Rural Energy Independence - L.John Fry. RAF Ret'd, 1974.

M.L.A (8 ম সংস্করণ) উদ্ধৃতি

FRY, L.John. Practice Buildinbg of Methane Power Plants for Rural Energy Independence - L.John Fry. RAF Ret'd, 1974.