Washington U.S. Department of Health, Education, and Welfare 1955
Buku Teks
Berkeley University of California Press 1968
Buku Teks
Barbeau, Joseph E.
Custom book program of northeastern University , 1985
Buku Teks
Griswold, Alfred Whitney, 1906-1963, author
Brace, 1939
Buku Teks
Garland , 1993
Buku Teks