Gaya APA
D., B., R., Jack, K. (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.