Gaya APA

Bleisner, R, D., Keller, J. (1990). Sprinkle and trickle irrigation / Jack Keller, Ron D. Bliesmer . New York: Van Nostrand Reinhold.

Gaya MLA

Bleisner, Ron, D.., Keller, Jack. "Sprinkle and trickle irrigation / Jack Keller, Ron D. Bliesmer". New York: Van Nostrand Reinhold, 1990. Textbook.