APA استشهاد

Somani, L. (2012). Soil science: For carrer and competition. Agrotech publishing acdemy.

استشهاد بنمط شيكاغو

Somani, L. Soil Science: For Carrer and Competition. Udaipur: Agrotech publishing acdemy, 2012.

MLA استشهاد

Somani, L. Soil Science: For Carrer and Competition. Agrotech publishing acdemy, 2012.