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Majalah, Jurnal, Buletin
Sayre, Henry M, author
Prentice-Hall, 1997
Buku Teks
Morrison & Gibb, 1940
Buku Teks
edited by Caroline Turner
University of Queensland , 1993
Buku Teks
editor, Edi Sedyawati, Sapardi Djoko Damono
Gramedia, 1983-1991
Buku Teks