Carey, Peter
University of Quesland Press, 1985
Buku Teks
edited by Daniel I. McNamara
Thomas Y. Crowell, 1948
Buku Referensi
Universitas Indonesia, 2014
UI - Skripsi Membership
Korea Foundation, 1994
Buku Teks
Farrar, Straus & Giroux., 1968
Buku Teks