Here are the books, articles and websites that have been used as sources for creating and updating this website.

Lind Douglas A. Mason, Robert D., Marchal, William G., "Basic Statistics for Business and Economics", (2000), Irwin McGraw-Hill

Torssell Johnny, Peter Nilsson, "The Book of Trading - Applied Technical Analysis', (1998); Börsinsikt AB

Wramsby Gunnar, Österlund Urban; "Company Financial Environment", (2002); Wramsby / Österlund publishers

David Begg, Stanley Fischer, Rudiger Dornbusch, "Economics", (2000), Irwin McGraw-Hill

Klas Eklund, "Our economy: an introduction to economics", (1999); Prisma