Smith, C. A. (1959). Accounting for oil and gas procedures; principles, procedures and controls. Prentice-Hall.
Citazione stile Chigago Style (17a edizione)Smith, Charles Aubrey. Accounting for Oil and Gas Procedures; Principles, Procedures and Controls. Englewood Cliffs, N. J: Prentice-Hall, 1959.
Citatione MLA (9a ed.)Smith, Charles Aubrey. Accounting for Oil and Gas Procedures; Principles, Procedures and Controls. Prentice-Hall, 1959.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.