Citazione Stile APA (7a Edizione)

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.