Brock, H. R., Klingstedt, J. P., & Jones, D. M. (1984). Oil & gas accounting (University ed.). Professional Development Institute.
Chicago-viite (17. p.)Brock, Horace R., John P. Klingstedt, ja Donald M. Jones. Oil & Gas Accounting. University ed. Denton, Tex.: Professional Development Institute, 1984.
MLA-viite (9. p.)Brock, Horace R., et al. Oil & Gas Accounting. University ed. Professional Development Institute, 1984.
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