Barton, N., & Stephansson, O. (1990). Rock joints: Proceedings of the International Symposium on Rock Joints, Loen, Norway, 4-6 June 1990. Rotterdam: Balkema.
استشهاد بنمط شيكاغوBarton, Nick., and Ove Stephansson. Rock Joints: Proceedings of the International Symposium On Rock Joints, Loen, Norway, 4-6 June 1990. Rotterdam: Balkema, 1990.
MLA استشهادBarton, Nick., and Ove Stephansson. Rock Joints: Proceedings of the International Symposium On Rock Joints, Loen, Norway, 4-6 June 1990. Rotterdam: Balkema, 1990.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.