Gaya APA

KISSWANI, K, M. (2015). Does OPEC influence crude oil prices ? Testing for cointegration and causality effect . Korea: Hanyang Economic Research Institute.

Gaya MLA

KISSWANI, Khalid, M. "Does OPEC influence crude oil prices ? Testing for cointegration and causality effect". Korea: Hanyang Economic Research Institute, 2015. Artikel.