Spengler, Oswald, author
George Allen and Unwin, 1956
Buku Teks
Ronald Van Kempen; Gideon Bolt; Maarten Van Ham, editors
Routledge, Taylor & Francis Group, 2018
Buku Teks
Waugh, Evelyn, 1903-1966, author
Everyman's Library, 1993
Buku Teks
Elisya, author
2017
UI - Makalah dan Kertas Kerja
Pincus, Gregory, author
Academic Press, 1965
Buku Teks