APA استشهاد

, . . .. (1980). Methods of test for soils (1.). Indian Standards Institution.

استشهاد بنمط شيكاغو

,. Methods of Test for Soils. 1. New Delhi: Indian Standards Institution, 1980.

MLA استشهاد

,. Methods of Test for Soils. 1. Indian Standards Institution, 1980.