แหล่งที่มา WikiPedia: อักษรกรีก http://www.omniglot.com/writing/greek.htm http://www.tlg.uci.edu/~opoudjis/unicode/nonattic.... http://www.tlg.uci.edu/~opoudjis/unicode/nonattic.... http://www.tlg.uci.edu/~opoudjis/unicode/nonattic.... http://www.tlg.uci.edu/~opoudjis/unicode/nonattic.... http://www.tlg.uci.edu/~opoudjis/unicode/other_lig... http://www.tlg.uci.edu/~opoudjis/unicode/other_non... http://www.tlg.uci.edu/~opoudjis/unicode/unicode_a... http://web.archive.org/web/20080417092317/http://w... http://unicode.org/charts/PDF/U0370.pdf
