Gaya APA

Wood, K, K, D. (2013). Upsetream petroleum: fiscal and valuation modeling in Exel: A worked examples approach . United Kingdom: John Wiley.

Gaya MLA

Wood, Ken, Kasriel, David. "Upsetream petroleum: fiscal and valuation modeling in Exel: A worked examples approach". United Kingdom: John Wiley, 2013. Text.