Dalton, Bill, author
California Moon Publications , 1991
Buku Referensi
Dalton, Bill, author
Moon Publications, 1980
Buku Teks
Robert W. Hefner, editor
Routledge, Taylor & Francis Group, 2018
Buku Teks
Departemen Informasi Republik Indonesia, 1987
Buku Referensi
Department of Information, Republic of Indonesia, 2005
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