Marr, W. A. (1999). Nondestructive and Automated Testing for Soil and Rock Properties. ASTM.
Citazione stile Chigago Style (17a edizione)Marr, W. A. Nondestructive and Automated Testing for Soil and Rock Properties. West Conshohockern, P. A: ASTM, 1999.
Citatione MLA (9a ed.)Marr, W. A. Nondestructive and Automated Testing for Soil and Rock Properties. ASTM, 1999.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.