Royce, James E.
McGraw-Hill, 1961
Buku Teks SO
Melling, David
Narasi, 2019
Buku Teks SO
edited by Saxe Commins and Robert N. Linscott
Modern Pocket Library, 1947
Buku Teks SO
Anggono Wisnudjati
Fakultas Ilmu Pengetahuan Budaya Universitas Indonesia, 2002
UI - Skripsi Membership
Oxford University Press, 1962
Buku Teks SO