Villanueva, Cristina M.; Cantor, Kenneth P.; King, Will D.; Jaakkola, Jouni J.K.; Cordier, Sylvaine; Lynch, Charles F.; Porru, Stefano; Kogevinas, Manolis (2006). „Total and specific fluid consumption as determinants of bladder cancer risk”. International Journal of Cancer. 118 (8): 2040—2047. ISSN0020-7136. PMID16284957. doi:10.1002/ijc.21587.
Cornelis, MC; El-Sohemy, A (2007). „Coffee, caffeine, and coronary heart disease”. Current Opinion in Clinical Nutrition and Metabolic Care. 10 (6): 745—751. PMID18089957. doi:10.1097/MCO.0b013e3282f05d81.
Mussatto, Solange I.; Machado, Ercília M. S.; Martins, Silvia; Teixeira, José A. (2011). „Production, Composition, and Application of Coffee and Its Industrial Residues”. Food and Bioprocess Technology. 4 (5): 661—672. doi:10.1007/s11947-011-0565-z.
„FAOSTAT Core Trade Data (commodities/years)”. FAO Statistics Division. 2007. Архивирано из оригинала 14. 10. 2007. г. Приступљено 24. 10. 2007. To retrieve export values: Select the "commodities/years" tab. Under "subject", select "Export value of primary commodity." Under "country," select "World." Under "commodity," hold down the shift key while selecting all commodities under the "single commodity" category. Select the desired year and click "show data." A list of all commodities and their export values will be displayed.
Villanueva, Cristina M.; Cantor, Kenneth P.; King, Will D.; Jaakkola, Jouni J.K.; Cordier, Sylvaine; Lynch, Charles F.; Porru, Stefano; Kogevinas, Manolis (2006). „Total and specific fluid consumption as determinants of bladder cancer risk”. International Journal of Cancer. 118 (8): 2040—2047. ISSN0020-7136. PMID16284957. doi:10.1002/ijc.21587.
Cornelis, MC; El-Sohemy, A (2007). „Coffee, caffeine, and coronary heart disease”. Current Opinion in Clinical Nutrition and Metabolic Care. 10 (6): 745—751. PMID18089957. doi:10.1097/MCO.0b013e3282f05d81.
teaandcoffee.net
Pendergrast, Mark (2009). „Coffee: Second to Oil?”. Tea & Coffee Trade Journal: 38—41. Архивирано из оригинала 10. 7. 2014. г. Приступљено 27. 5. 2014.
„FAOSTAT Core Trade Data (commodities/years)”. FAO Statistics Division. 2007. Архивирано из оригинала 14. 10. 2007. г. Приступљено 24. 10. 2007. To retrieve export values: Select the "commodities/years" tab. Under "subject", select "Export value of primary commodity." Under "country," select "World." Under "commodity," hold down the shift key while selecting all commodities under the "single commodity" category. Select the desired year and click "show data." A list of all commodities and their export values will be displayed.
Pendergrast, Mark (2009). „Coffee: Second to Oil?”. Tea & Coffee Trade Journal: 38—41. Архивирано из оригинала 10. 7. 2014. г. Приступљено 27. 5. 2014.
Villanueva, Cristina M.; Cantor, Kenneth P.; King, Will D.; Jaakkola, Jouni J.K.; Cordier, Sylvaine; Lynch, Charles F.; Porru, Stefano; Kogevinas, Manolis (2006). „Total and specific fluid consumption as determinants of bladder cancer risk”. International Journal of Cancer. 118 (8): 2040—2047. ISSN0020-7136. PMID16284957. doi:10.1002/ijc.21587.