edited by John Middleton, Amal Rassam
G.K. Hall & Company, 1995
Buku Referensi
editor, Aloysius Hadyana Pudjaatmaka, Susilowati, Sri Timur Suratman
Departemen Pendidikan dan Kebudayaan, 1993
Buku Referensi
Artikel Jurnal
Needham, Joseph, author
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Buku Referensi
Dinsdale, W.A.
Sir Isaac Pitman & Sons, Ltd. , 1959
Buku Teks