Kelly, Robert L.,author
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Buku Teks
edited by Mari Pritchard Parker, Elvio Angeloni
McGraw-Hill, 2013
Buku Teks
SPAFA, 1984
Buku Referensi
edited by Susan E. Alcock, Robin Osborne
Blackwell, 2007
Buku Teks
Watson, William
Max Parrish, 1960
Buku Teks