Moskwa : Soviet Writer Publidhing House
Majalah, Jurnal, Buletin
Lamont, Corliss, author
Philosophical Library, 1952
Buku Teks
Alampiev, P., author
Foreign Languages Publishing House, 1958
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McClosky, Herbert, author
McGraw-Hill, 1960
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Sarah Ashwin, editor
Routledge, 2000
Buku Teks