Coulmas, Florian
Sociolinguistics:the study of speakers choices
Cambridge University Press, 2005
 Buku Teks
The United Nations at 50: notes for speakers
United Nations,, 1995
 Buku Teks
Sogang Korean = Korean for non-native speakers : workbook.1A-2B
Sogang University, 2004
 Buku Teks
Vania Putri Prawisyara
Strategi militer Jepang dalam pertempuran laut Guadalkanal 1942 = Japan military strategy in naval battle of Guadalcanal 1942
Fakultas Ilmu Pengetahuan dan Budaya Universitas Indonesia, 2019
 UI - Makalah dan Kertas Kerja
Plant, Derrick
A Viva voce:a modern course of spoken Italian for English speakers
Zanichelli, 1978
 Buku Teks