Al Hogail، R. B. A. A.، و Klock، M. S. (1999). Risk Factors Priced in the Value-Weighted Monthly Excess Returns of Common Equities Listed in the NYSE Stock Market ( غير منشورة). George Washington University، واشنطن. مسترجع من http://search.mandumah.com/Record/611807
Al Hogail، Raed Bin Abd Allah، و Mark S. Klock. "Risk Factors Priced in the Value-Weighted Monthly Excess Returns of Common Equities Listed in the NYSE Stock Market" . George Washington University، واشنطن، 1999. مسترجع من http://search.mandumah.com/Record/611807