APA (7th ed.) մեջբերում
National Research Council (U.S.). Committee on Undiscovered Oil and Gas Resources & ebrary, Inc. (1991). Undiscovered oil and gas resources: An evaluation of the Department of the Interior's 1989 assessment procedures. National Academy Press.
Չիկագոյի ոճի (17րդ խմբ.) մեջբերում
National Research Council (U.S.). Committee on Undiscovered Oil and Gas Resources and Inc ebrary. Undiscovered Oil and Gas Resources: An Evaluation of the Department of the Interior's 1989 Assessment Procedures. Washington, D.C.: National Academy Press, 1991.
MLA (9րդ խմբ.) Մեջբերում
National Research Council (U.S.). Committee on Undiscovered Oil and Gas Resources and Inc ebrary. Undiscovered Oil and Gas Resources: An Evaluation of the Department of the Interior's 1989 Assessment Procedures. National Academy Press, 1991.
Զգուշացում. այս մեջբերումները միշտ չէ, որ կարող են 100% ճշգրիտ լինել.