Hasselbeck, Elisabeth
The G-Free Diet: A Gluten-Free Survival Guide
Center Street, 2009
Buku Teks
Cohn, P.M.
Free rings and their relations
Academic Press, 1985
Buku Teks
Oxley, Alan
The Challenge of free trade
Harvester Wheatsheaf, 1990
Buku Teks
Haworth, Alan
Free speech / Alan Haworth
Routledge, 1998
Buku Teks
Free China Review
Taiwan : Kwang Hwa Publishing (USA), Inc
Majalah, Jurnal, Buletin