Antill, N. (2000). Valuing Oil and Gas Companies. ELSEVIER.
Lua i Stíl Chicago (17ú heag.)Antill, Nick. Valuing Oil and Gas Companies. ELSEVIER, 2000.
Lua MLA (8ú heag.)Antill, Nick. Valuing Oil and Gas Companies. ELSEVIER, 2000.
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