Coon, Carleton S.
Alfred A. Knopf, 1962
Buku Teks SO
Nesturkh, Mikhail Fedorovich
Foreign Languages Publishing House, [Date of publication not identified]
Buku Teks
Kennedy, Raymond
[Publisher not identified], [Date of publication not identified]
Buku Teks
Garn, Stanley M.
Charles C. Thomas, 1971
Buku Teks SO
Flynn, James R.
Academic Press, 2013
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