Gutkind, E.A.
Kegan Paul, Trench, Truber & Co., Ltd , 1943
Buku Teks
Abrar Aulia, author
2017
UI - Skripsi Membership
Page, Max
University of Chicago Press , 1999
Buku Teks
Luqman Dinoer Abiyasa, author
Fakultas Teknik Universitas Indonesia, 2013
UI - Skripsi Membership
Hackett, Brian, author
Percival Marshal, 1950.
Buku Teks