Kwang-Ching, Liu
Cambridge Harvard University Press 1963
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Nagelkerke, Gerard A.
Leiden Library of the Royal Institute of Linguistics and Anthropology 1982
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Tiamson, Alfredo T
Davao City Ateneo De Davao 1970
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Jakarta : t.p
Majalah, Jurnal, Buletin
Jakarta : Balai Pustaka, 1977
Buku Referensi