edited by Warren L. Smith and John M. Culbertson
Elsevier, 1974
Buku Teks
Com, Gerhard
Oxford University Press, 1955
Buku Teks
edited by Roscoe C. Martin
Syracuse University Press , 1965
Buku Teks
Poole, Kenyon E.
N.Y. Rinehart , 1956
Buku Teks
edited by Gloria González-Rivera, R. Carter Hill, Tae-Hwy Lee
Emerald, 2016
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