"agricultural jobs." blogsavy. blogsavy, October 27, 2009. Web. 9 Mar 2011. <http://agriculturaljobs.blogsavy.com/greenhouse-technician/>.
Bayer CropScience. Bayer, 2011. Web. 9 Mar 2011. <http://www.bayercropscience.com/>.
"careers." BASF The Chemical Company. BASF, 2011. Web. 9 Mar 2011. <http://www.basf.com/group/corporate/en/>.
"Danforth Center Tour- Greenhouse & Growth Chambers." Youtube.com. Web. 9 Mar 2011. <http://www.youtube.com/watch?v=jSkGuxsSNx4&feature=player_embedded#at=16>.
Googleimages,Google.com
"Greenhouse technician salaries." simplyhired.com. Simply Hired, Inc, 2011. Web. 9 Mar 2011. <http://www.simplyhired.com/a/salary/search/q-Greenhouse+Technician>.
