Plummer, David T., author
MacGraw-Hill, 1978
Buku Teks
Plummer, David T., author
MacGraw-Hill, 1987
Buku Teks
Onslow, Muriel Wheldale, author
Cambridge University Press, 2014
Buku Teks
Frederick A. Bettelheim
Thomson, Brooks/Cole, 2007
Buku Teks
Thomson and Brooks/cole, 2007
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