Gupta,O P. (1987). Aquatic weed management: A text book and manual. Today and Tomarrows Printers and Publishers.
Style de citation ChicagoGupta,O P. Aquatic Weed Management: A Text Book and Manual. New Delhi: Today and Tomarrows Printers and Publishers, 1987.
Style de citation MLAGupta,O P. Aquatic Weed Management: A Text Book and Manual. Today and Tomarrows Printers and Publishers, 1987.
Attention : ces citations peuvent ne pas être correctes à 100%.