Παραπομπή σε μορφή APA (7η εκδ.)

Bieniawski, Z. T. (1967). Mechanism of brittle fracture of rock. South Africa, National Mechanical Engineering Research Institute.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Bieniawski, Z. T. Mechanism of Brittle Fracture of Rock. Pretoria: South Africa, National Mechanical Engineering Research Institute, 1967.

Παραπομπή σε μορφή MLA (8th εκδ.)

Bieniawski, Z. T. Mechanism of Brittle Fracture of Rock. South Africa, National Mechanical Engineering Research Institute, 1967.