Lerche, I., & MacKay, J. A. (1999). Economic risk in hydrocarbon exploration. San Diego: Academic Press.
Παραπομπή Chicago StyleLerche, Ian, and James A. MacKay. Economic Risk in Hydrocarbon Exploration. San Diego: Academic Press, 1999.
Παραπομπή MLALerche, Ian, and James A. MacKay. Economic Risk in Hydrocarbon Exploration. San Diego: Academic Press, 1999.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.