Gaya APA

al.], M, I, [. (2015). Hydraulic ram pumps for irrigation in Northern Thailand (5 ( 2015 )). : Elsevier Science Inc..

Gaya MLA

al.], Matthias, Inthachot, [et. "Hydraulic ram pumps for irrigation in Northern Thailand". 5 ( 2015 ) : Elsevier Science Inc., 2015. e-journal.