Swenson, Hugo N., author
John Wiley & Sons, 1957
Buku Teks
Ginn and Co., 1974
Buku Teks
Tillery, Bill W., author
McGraw-Hill, Higher Education, 2007
Buku Teks
Harbeck, Richard M., author
Holt Rinehart and Winston, 1965
Buku Teks
Tillery, Bill W., author
McGraw-Hill Education, 2017
Buku Teks