Coffee
Wintgens Jean NicolasKniha
Citace v seznamu literatury:
WINTGENS, Jean Nicolas (ed.). Coffee: growing, processing, sustainable production : a guidebook for growers, processors, traders, and researchers. Second, updated edition. Weinheim: Wiley-VCH Verlag GmbH & Co., [2012]. ISBN 9783527332533. Dostupné také z: http://www.loc.gov/catdir/enhancements/fy1312/2012455100-t.html.