APA استشهاد

Alam Singh & G.R Chaudhary. (1994). Soil engineering in theory and practice: Vol.1 (3rd.). CBS.

استشهاد بنمط شيكاغو

Alam Singh و G.R Chaudhary. Soil Engineering in Theory and Practice: Vol.1. 3rd. Delhi: CBS, 1994.

MLA استشهاد

Alam Singh و G.R Chaudhary. Soil Engineering in Theory and Practice: Vol.1. 3rd. CBS, 1994.