Pei, Mario A.
Getting along in French : a Holiday magazine language book
Harper, 1957
 Buku Teks SO
Conversational Mandarin
EPB Publ., 1980
 Buku Teks SO
Hunter, Lynne
Adventures in conversation : exercises in achieving oral fluency and developing vocabulary in English
Prentice Hall Regents, 1989
 Buku Teks SO
Sihombing, Hasianna Omega Tessalonika
Presuposisi dan Implikatur Percakapan dalam Tuturan Bahasa Jepang = Presupposition and Conversational Implicature in Japanese Utterances
Fakultas Ilmu Pengetahuan Budaya Universitas Indonesia, 2024
 UI - Tugas Akhir
Mahāthera, A.P. Buddhadatta
Aids to Pali conversation and translation
P.M.W. Piyaratna, [1951?]
 Buku Teks SO