Παραπομπή σε μορφή APA (7η εκδ.)

U.S. Symposium on Rock Mechanics University of Texas at Austin. (1979). 20th U.S. Symposium on Rock Mechanics: [proceedings volume]. Dept. of Petroleum Engineering, University of Texas at Austin.

Παραπομπή σε μορφή Chicago (17η εκδ.)

U.S. Symposium on Rock Mechanics University of Texas at Austin. 20th U.S. Symposium on Rock Mechanics: [proceedings Volume]. [Austin, Tex.: Dept. of Petroleum Engineering, University of Texas at Austin, 1979.

Παραπομπή σε μορφή MLA (8th εκδ.)

U.S. Symposium on Rock Mechanics University of Texas at Austin. 20th U.S. Symposium on Rock Mechanics: [proceedings Volume]. Dept. of Petroleum Engineering, University of Texas at Austin, 1979.