Whitman (2013),第251–252頁. ———, A History of the Korean Language, by Ki-Moon Lee and Robert Ramsey, Korean Linguistics, 2013, 15 (2): 246–260, doi:10.1075/kl.15.2.05whi.
Whitman (2011),第154頁. Whitman, John, Northeast Asian Linguistic Ecology and the Advent of Rice Agriculture in Korea and Japan, Rice, 2011, 4 (3–4): 149–158, doi:10.1007/s12284-011-9080-0.