Não informado. (2018). The Petroleum Situation. Chase Manhattan Bank, Energy Economics Division.
Chicago-viite (17. p.)Não informado. The Petroleum Situation. New York: Chase Manhattan Bank, Energy Economics Division, 2018.
MLA-viite (8. p.)Não informado. The Petroleum Situation. Chase Manhattan Bank, Energy Economics Division, 2018.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.