edited by Jacques Durand
Departement of Language and Linguistics University of Essex, 1983
Buku Teks SO
Tarsisius Afirman
Fakultas Ilmu Pengetahuan Budaya Universitas Indonesia, 2001
UI - Skripsi Membership
Yoses Antonius A.
Fakultas Ilmu Pengetahuan Budaya Universitas Indonesia, 2001
UI - Skripsi Membership
edited by John Lyons
Penguin Books, 1973
Buku Teks SO
edited by Harriet Luria, Deborah M. Seymour, Trudy Smoke
LEA, 2006
Buku Teks SO