under the general editorship of John B. Saunders
Butterworth, 1989
Buku Referensi
under the general editorship of John B. Saunders
Butterworth, 1988
Buku Referensi
under the general editorship of John B. Saunders
Butterworth, 1990
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David Hay
London : Routterworths, 1993,
Buku Referensi
Marvin C. Alkin, editor-in-chief
MacMillan Library Reference USA, 1992
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