APA

Tordo S., Johnston D., Johnston D. & World Bank. (2009). Petroleum exploration and production rights. Washington, D.C: World Bank.

Chicago

Tordo Silvana, Johnston Daniel, Johnston David and World Bank. 2009. Petroleum exploration and production rights. Washington, D.C: World Bank.

Harvard

Tordo S., Johnston D., Johnston D. and World Bank. (2009). Petroleum exploration and production rights. Washington, D.C: World Bank.

MLA

Tordo Silvana, Johnston Daniel, Johnston David and World Bank. Petroleum exploration and production rights. Washington, D.C: World Bank. 2009.