Coutts, W. B. (1963). Accounting problems in the oil and gas industry. [s.n.
Citazione stile Chigago Style (17a edizione)Coutts, W. Barry. Accounting Problems in the Oil and Gas Industry. Toronto: [s.n, 1963.
Citatione MLA (9a ed.)Coutts, W. Barry. Accounting Problems in the Oil and Gas Industry. [s.n, 1963.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.