SINGH, S. W. (2010). Identification of weeds and their control measures. Tanay Sharma Scientific Publishers.
Citazione stile Chigago Style (17a edizione)SINGH, Surjit Walia. Identification of Weeds and Their Control Measures. Tanay Sharma Scientific Publishers, 2010.
Citatione MLA (9a ed.)SINGH, Surjit Walia. Identification of Weeds and Their Control Measures. Tanay Sharma Scientific Publishers, 2010.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.