APA
International Society for Rock Mechanics. Commission on Recommendations on Site Investigation Techniques, . (1975). Recommendations on site investigation techniques. Lissabon: International Society for Rock Mechanics. Commission on Recommendations on Site Investigation Techniques.
Chicago
International Society for Rock Mechanics. Commission on Recommendations on Site Investigation Techniques, . 1975. Recommendations on site investigation techniques. Lissabon: International Society for Rock Mechanics. Commission on Recommendations on Site Investigation Techniques.
Harvard
International Society for Rock Mechanics. Commission on Recommendations on Site Investigation Techniques, . (1975). Recommendations on site investigation techniques. Lissabon: International Society for Rock Mechanics. Commission on Recommendations on Site Investigation Techniques.
MLA
International Society for Rock Mechanics. Commission on Recommendations on Site Investigation Techniques, . Recommendations on site investigation techniques. Lissabon: International Society for Rock Mechanics. Commission on Recommendations on Site Investigation Techniques. 1975.