Gildersleeve, Virginia Crocheron, author
Macmillan, 1954
Buku Teks
Montgomery, B., author
The Word Publishing Comp, [date of publication not identified]
Buku Teks
Gildersleeve, B.L., author
Macmillan, 1948
Buku Teks
Kennan, George F., 1904-, author
Little, Brown, 1967
Buku Teks
Yudistira Kurnia Ramadanu, author
2018
UI - Makalah dan Kertas Kerja