Raymond H. Shove ... [and others]
University of Minnesota Press, 1963
Buku Teks
Gates, Jean Key, author
McGraw-Hill, 1974
Buku Referensi
Ellis, Estelle, author
Thames and Hudson, 1998
Buku Referensi
Girardet, Nikolaus, author
Steiner, 1983
Buku Teks
edited by Larry Hardesty
[American Library association, American Library association], 2000
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