2ibid

3katyburne，akgavesagast”hae”，astreetjourna，apri10，2012

4thedoddfrankanoist，feb12

5nadshires62，000usevent，b，apri2

680perfusadutsfaynt，surveyfds，es，juy23

7davidstoration，pubicaffairs，2013，chapter32

iiangdah，thefrackedupashaegasbubbe，gobaresearch13arch2013

9ibid

10guysersaysheregretssheshugebetonshae，fanber6，2013

11anthonyatkson，thoaspikettyandeanuesaez，estheongrunofhistory，journaofenoiciterature2011，49：1，371

12obaaseequaityspeech，dec6，2011

13robertehe01ofthenationearnhafofav20，2011

14garyaen，therockefeerfie，buaneerbooks，c1976