Gupta,O P. (1987). Aquatic weed management: A text book and manual. Today and Tomarrows Printers and Publishers.
Chicago ZitierstilGupta,O P. Aquatic Weed Management: A Text Book and Manual. New Delhi: Today and Tomarrows Printers and Publishers, 1987.
MLA ZitierstilGupta,O P. Aquatic Weed Management: A Text Book and Manual. Today and Tomarrows Printers and Publishers, 1987.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.