Sabir, A; Unver, A; Kara, Z (2012). "The fatty acid and tocopherol constituents of the seed oil extracted from 21 grape varieties (Vitis spp.)". Journal of the Science of Food and Agriculture. 92 (9): 1982–7. doi:10.1002/jsfa.5571. PMID22271548.
Sabir, A; Unver, A; Kara, Z (2012). "The fatty acid and tocopherol constituents of the seed oil extracted from 21 grape varieties (Vitis spp.)". Journal of the Science of Food and Agriculture. 92 (9): 1982–7. doi:10.1002/jsfa.5571. PMID22271548.