Sambrook, G.A., author
Longmans, Green, 1947
Buku Teks
Janiarto Mihendra, author
Fakultas Ilmu Pengetahuan dan Budaya Universitas Indonesia, 2018
UI - Skripsi (Membership)
Roelofs, H. Mark
The Dorsey press, 1968
Buku Teks
Hazen, Kirk, author
Massachusetts : Wiley Blackwell, 2015
Buku Teks
Fromkin, Victoria A., author
Holt, Rinehart and Winston, 1981
Buku Teks