Stowe, Harriet Beecher, author
Wordsworth Classics, 1999
Buku Teks
Brooks, Van Wyck
E. P. Dutton & Co Inc, 1953
Buku Teks
Yale University Press , 1950
Buku Teks
prepared by the Committee on Marketing Research Techniques of the American Marketing Society ; Ferdinand C. Wheeler, chairman
McGraw-Hill, 1937
Buku Teks
Bedjo Riyanto, author
Tarawang, 2000
Buku Teks