Gaya APA
Azelton, A, M., Teufel, A, S.
(2009).
Fisher Investments on Energy
.
Canada:
john Wiley and Sons,Inc.
Gaya MLA
Azelton, Aaron, M.., Teufel, Andrew, S.
"Fisher Investments on Energy".
Canada:
john Wiley and Sons,Inc,
2009.
Text.