APA

International Society for Rock Mechanics. Committee on Laboratory Tests. Document no 8, . (1977). Suggested methods for determining tensile strength of rock materials. ( Int. J. Rock Mech. Min. Sci. Vol 15, s 99-103). Lissabon: International Society for Rock Mechanics. Committee on Laboratory Tests. Document no 8.

Chicago

International Society for Rock Mechanics. Committee on Laboratory Tests. Document no 8, . 1977. Suggested methods for determining tensile strength of rock materials. ( Int. J. Rock Mech. Min. Sci. Vol 15, s 99-103). Lissabon: International Society for Rock Mechanics. Committee on Laboratory Tests. Document no 8.

Harvard

International Society for Rock Mechanics. Committee on Laboratory Tests. Document no 8, . (1977). Suggested methods for determining tensile strength of rock materials. ( Int. J. Rock Mech. Min. Sci. Vol 15, s 99-103). Lissabon: International Society for Rock Mechanics. Committee on Laboratory Tests. Document no 8.

MLA

International Society for Rock Mechanics. Committee on Laboratory Tests. Document no 8, . Suggested methods for determining tensile strength of rock materials. ( Int. J. Rock Mech. Min. Sci. Vol 15, s 99-103). Lissabon: International Society for Rock Mechanics. Committee on Laboratory Tests. Document no 8. 1977.