Greaves, I. C. (Ida Cecil), 1907-, author
George Allen & Unwih , 1935
Buku Teks
Stevenson, William J., author
Boston: McGraw-Hill, 1999
Buku Teks
Bowman, Edward H., author
Richard D. Irwin, 1958
Buku Teks
Buffa, Elwood S. (Elwood Spencer), author
John Wiley & Sons, 1971
Buku Teks
Hoffmann, Thomas R., author
Wadsworth, 1967
Buku Teks