Παραπομπή APA

Bureau of Indian Standards. (1988). Methods of test for determination of strength properties of natural building stones. Bureau of Indian standards.

Παραπομπή Chicago Style

Bureau of Indian Standards. Methods of Test for Determination of Strength Properties of Natural Building Stones. : Bureau of Indian standards, 1988.

Παραπομπή MLA

Bureau of Indian Standards. Methods of Test for Determination of Strength Properties of Natural Building Stones. Bureau of Indian standards, 1988.