edited by Arthur S. Banks, Rebecca T. Granger, Marilyn L. Green
McGraw-Hill, 1976
Buku Teks
The Law Book Company, 1997
Buku Teks
Hodgson, Barbara B.
W.B. Saunders, 1997
Buku Referensi
Harper & Row, 1965
Buku Teks SO
Cambridge University Press, 2020
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