Friend, C. R. L. (1975). The geology and geochemistry of the preketilidain basement complex in the Ravns Storo area, Riskenaesset Region, Southern West Greenland. University of London.
Chicago Style (17th ed.) CitationFriend, Clark R. L. The Geology and Geochemistry of the Preketilidain Basement Complex in the Ravns Storo Area, Riskenaesset Region, Southern West Greenland. University of London, 1975.
MLA引文Friend, Clark R. L. The Geology and Geochemistry of the Preketilidain Basement Complex in the Ravns Storo Area, Riskenaesset Region, Southern West Greenland. University of London, 1975.
警告：這些引文格式不一定是100％准確.